Avorqin Developer Tools
Developer Calculators
Avorqin's calculators provide quick browser-based answers for everyday development, design, networking, date, percentage, storage, and data-transfer calculations.
375 tools in this collection. No account required.
Date Difference Calculator
Calculate the difference between two dates.
Open tool →Age Calculator
Calculate age from a birth date to another date.
Open tool →Percentage Calculator
Calculate percentages quickly.
Open tool →Percentage Change Calculator
Calculate percentage increase or decrease.
Open tool →Aspect Ratio Calculator
Calculate aspect ratios and proportional dimensions.
Open tool →Screen Resolution Calculator
Calculate total pixels and megapixels from width and height.
Open tool →IP Subnet Calculator
Calculate IPv4 subnet details from CIDR notation.
Open tool →Data Transfer Time Calculator
Estimate transfer time from file size and network speed.
Open tool →Bytes Converter
Convert between byte units.
Open tool →REM to PX Converter
Convert rem units to pixels.
Open tool →PX to REM Converter
Convert pixels to rem units.
Open tool →EM to PX Converter
Convert em units to pixels.
Open tool →Average Calculator
Calculate the average, sum, minimum, maximum, and count for a list of numbers.
Open tool →Ratio Calculator
Simplify two numbers into a ratio and view their decimal relationship.
Open tool →Fraction to Percentage Calculator
Convert a numerator and denominator into a percentage instantly.
Open tool →Percentage to Fraction Calculator
Convert percentages into simplified fractions directly in your browser.
Open tool →Decimal to Percentage Calculator
Convert decimal values into percentages instantly.
Open tool →Percentage to Decimal Calculator
Convert percentages into decimal values instantly.
Open tool →Discount Calculator
Calculate a discount amount and final sale price from a percentage off.
Open tool →Sales Tax Calculator
Calculate sales tax and the final total from a subtotal and tax rate.
Open tool →Tip Calculator
Calculate a tip, total bill, and per-person amount when splitting a check.
Open tool →Reading Time Calculator
Estimate reading time from word count and a configurable words-per-minute reading speed.
Open tool →Speaking Time Calculator
Estimate speaking time for a script from word count and a configurable speaking speed.
Open tool →Prime Number Checker
Check whether a whole number is prime and see the first divisor when it is composite.
Open tool →Prime Factorization Calculator
Find the prime factorization of a positive whole number.
Open tool →Percentage Error Calculator
Calculate absolute error and percentage error from an observed value and a true or accepted value.
Open tool →Permutation Calculator
Calculate the number of ordered selections nPr using exact whole-number arithmetic.
Open tool →Combination Calculator
Calculate the number of unordered selections nCr using exact whole-number arithmetic.
Open tool →Probability Calculator
Calculate probability, percentage, and simple odds from favorable and total outcomes.
Open tool →Z Score Calculator
Calculate a z-score from a value, population mean, and standard deviation.
Open tool →Weighted Average Calculator
Calculate a weighted average from comma-separated values and corresponding weights.
Open tool →Geometric Mean Calculator
Calculate the geometric mean of positive numeric values.
Open tool →Harmonic Mean Calculator
Calculate the harmonic mean of non-zero numeric values.
Open tool →Triangle Calculator
Calculate triangle perimeter, area, and angles from three side lengths.
Open tool →Circle Calculator
Calculate a circle diameter, circumference, and area from its radius.
Open tool →Rectangle Calculator
Calculate rectangle area, perimeter, and diagonal from length and width.
Open tool →Cylinder Volume Calculator
Calculate cylinder volume, lateral area, and total surface area from radius and height.
Open tool →Sphere Volume Calculator
Calculate sphere volume, surface area, and diameter from radius.
Open tool →Cone Volume Calculator
Calculate cone volume, slant height, lateral area, and total surface area from radius and height.
Open tool →Ohm's Law Calculator
Calculate voltage, current, resistance, or power using common Ohm’s law relationships.
Open tool →Voltage Divider Calculator
Calculate output voltage and resistor currents for a basic two-resistor voltage divider.
Open tool →Resistor Color Code Calculator
Decode a four-band resistor color code into resistance and tolerance.
Open tool →LED Resistor Calculator
Calculate a suggested series resistor and resistor power for one or more LEDs.
Open tool →Square Footage Calculator
Calculate square footage from room or project length and width.
Open tool →Concrete Calculator
Estimate concrete volume in cubic feet and cubic yards from length, width, and thickness.
Open tool →Concrete Slab Calculator
Estimate the concrete required for a rectangular slab and add a waste allowance.
Open tool →Concrete Bag Calculator
Estimate how many premixed concrete bags are needed for a target concrete volume.
Open tool →Cubic Yard Calculator
Convert project dimensions into cubic yards for landscaping and construction materials.
Open tool →Gravel Calculator
Estimate gravel volume and weight from area, depth, and material density.
Open tool →Mulch Calculator
Estimate cubic yards of mulch needed from coverage area and depth.
Open tool →Topsoil Calculator
Estimate topsoil volume in cubic feet and cubic yards from area and depth.
Open tool →Sand Calculator
Estimate sand volume and weight for a rectangular project area.
Open tool →Brick Calculator
Estimate the number of bricks needed for a wall using brick dimensions and waste allowance.
Open tool →Concrete Block Calculator
Estimate concrete blocks needed for a wall from wall and block face dimensions.
Open tool →Drywall Calculator
Estimate drywall sheets needed from wall area, sheet size, and waste allowance.
Open tool →Paint Calculator
Estimate gallons of paint needed from surface area, coats, and coverage rate.
Open tool →Wallpaper Calculator
Estimate wallpaper rolls needed from wall area, roll coverage, and waste allowance.
Open tool →Flooring Calculator
Estimate flooring purchase area from room dimensions and waste percentage.
Open tool →Tile Calculator
Estimate tile quantity from floor dimensions, tile size, and waste allowance.
Open tool →Carpet Calculator
Estimate carpet area required from room dimensions and waste allowance.
Open tool →Decking Calculator
Estimate deck area and decking-board quantity from deck and board dimensions.
Open tool →Fence Calculator
Estimate fence panels and posts from total fence length and panel width.
Open tool →Roofing Calculator
Estimate sloped roof area, roofing squares, and material area with waste.
Open tool →Roof Pitch Calculator
Convert roof rise and run into pitch ratio, slope percentage, and angle.
Open tool →Rafter Length Calculator
Calculate common-rafter length from horizontal run and roof rise.
Open tool →Roof Shingle Calculator
Estimate roofing shingle bundles from roof area, bundle coverage, and waste.
Open tool →Stair Calculator
Estimate stair riser count, actual riser height, and total run.
Open tool →Board Foot Calculator
Calculate board feet from lumber thickness, width, length, and quantity.
Open tool →Lumber Calculator
Calculate total board feet and linear feet for repeated lumber pieces.
Open tool →Stud Calculator
Estimate wall studs from wall length and on-center stud spacing.
Open tool →Insulation Calculator
Estimate insulation packs from project area and coverage per pack.
Open tool →Paver Calculator
Estimate paver quantity from patio dimensions, paver size, and waste allowance.
Open tool →Asphalt Calculator
Estimate asphalt volume and tons from paved area, depth, and density.
Open tool →Room Area Calculator
Calculate rectangular room area in square feet from length and width.
Open tool →Wall Area Calculator
Calculate net wall area after subtracting doors, windows, and other openings.
Open tool →Ceiling Area Calculator
Calculate ceiling area from room length and width.
Open tool →Cubic Feet Calculator
Calculate cubic feet from length, width, and height.
Open tool →Square Feet to Cubic Yards Calculator
Convert square feet and material depth into cubic yards.
Open tool →Grout Calculator
Estimate grout volume from tile size, grout-joint width, depth, and tiled area.
Open tool →Mortar Calculator
Estimate mortar volume for a brick wall using brick and joint dimensions.
Open tool →Thinset Calculator
Estimate thinset bags needed from tile area and coverage per bag.
Open tool →Rebar Calculator
Estimate total rebar length for a rectangular slab grid from bar spacing.
Open tool →Pool Volume Calculator
Estimate rectangular pool volume in cubic feet and US gallons.
Open tool →Tank Volume Calculator
Calculate cylindrical tank volume in cubic feet and US gallons.
Open tool →Pipe Volume Calculator
Calculate internal pipe volume from inside diameter and pipe length.
Open tool →GPM Calculator
Calculate gallons per minute from transferred gallons and elapsed minutes.
Open tool →Flow Rate Calculator
Calculate flow rate in GPM and liters per minute from volume and time.
Open tool →Deck Stain Calculator
Estimate deck stain gallons from deck area, coats, and product coverage.
Open tool →Epoxy Calculator
Estimate epoxy volume from coated area and average coating thickness.
Open tool →Crushed Stone Calculator
Estimate crushed stone cubic yards and tons from dimensions and density.
Open tool →Road Base Calculator
Estimate road-base material volume and tons from project dimensions.
Open tool →Gravel Driveway Calculator
Estimate gravel driveway cubic yards and tons from length, width, and depth.
Open tool →Fence Post Depth Calculator
Estimate fence-post burial depth and total post length from above-ground height.
Open tool →Watts to Amps Calculator
Convert watts to amps using circuit voltage.
Open tool →Amps to Watts Calculator
Convert amps to watts using circuit voltage.
Open tool →Volts to Watts Calculator
Convert volts to watts using current in amps.
Open tool →Watts to Volts Calculator
Convert watts to volts using current in amps.
Open tool →Amps to Volts Calculator
Convert amps to volts using electrical power in watts.
Open tool →Volts to Amps Calculator
Convert volts to amps using electrical power in watts.
Open tool →kW to Amps Calculator
Convert kilowatts to current for single-phase or three-phase AC circuits.
Open tool →Amps to kW Calculator
Convert current to kilowatts for single-phase or three-phase AC circuits.
Open tool →kW to kWh Calculator
Convert kilowatts and operating time into kilowatt-hours of energy.
Open tool →kWh to kW Calculator
Convert kilowatt-hours and elapsed time into average kilowatts.
Open tool →Watts to kWh Calculator
Convert watts and operating hours into kilowatt-hours.
Open tool →kWh to Watts Calculator
Convert kilowatt-hours over a time period into average watts.
Open tool →mAh to Wh Calculator
Convert milliamp-hours to watt-hours using battery voltage.
Open tool →Wh to mAh Calculator
Convert watt-hours to milliamp-hours using battery voltage.
Open tool →Battery Life Calculator
Estimate battery runtime from battery capacity and average current draw.
Open tool →Battery Capacity Calculator
Convert battery amp-hours and voltage into watt-hours and milliamp-hours.
Open tool →Power Factor Calculator
Calculate power factor from real power and apparent power.
Open tool →Voltage Drop Calculator
Estimate copper-wire voltage drop from wire gauge, current, one-way length, and system voltage.
Open tool →Wire Gauge Calculator
Estimate a copper AWG size that stays within a selected voltage-drop limit.
Open tool →Series Resistor Calculator
Calculate equivalent resistance for resistors connected in series.
Open tool →Parallel Resistor Calculator
Calculate equivalent resistance for resistors connected in parallel.
Open tool →Capacitor Series Calculator
Calculate equivalent capacitance for capacitors connected in series.
Open tool →Capacitor Parallel Calculator
Calculate equivalent capacitance for capacitors connected in parallel.
Open tool →RC Time Constant Calculator
Calculate an RC circuit time constant from resistance and capacitance.
Open tool →Transformer Calculator
Estimate ideal transformer turns ratio and secondary current.
Open tool →Joules to Watts Calculator
Convert energy in joules over time into average watts.
Open tool →Watts to Joules Calculator
Convert watts over time into energy in joules.
Open tool →Lumens to Watts Calculator
Estimate watts from lumens using luminous efficacy.
Open tool →Watts to Lumens Calculator
Estimate lumens from watts using luminous efficacy.
Open tool →Lux to Lumens Calculator
Convert illuminance in lux and area in square meters into lumens.
Open tool →GPA Calculator
Calculate GPA from grade points and course credits.
Open tool →Weighted GPA Calculator
Calculate a weighted GPA from course grade points, course weights, and credits.
Open tool →High School GPA Calculator
Calculate high school GPA from letter grades and course credits.
Open tool →College GPA Calculator
Calculate college GPA from letter grades and credit hours.
Open tool →Grade Calculator
Calculate a percentage grade from points earned and points possible.
Open tool →Final Grade Calculator
Calculate the final-exam score needed to reach a desired course grade.
Open tool →Weighted Grade Calculator
Calculate a weighted course grade from category grades and weights.
Open tool →Test Grade Calculator
Calculate test percentage and missed questions from correct and total answers.
Open tool →Semester GPA Calculator
Calculate semester GPA from letter grades and course credits.
Open tool →Cumulative GPA Calculator
Combine an existing GPA with a new semester GPA to estimate cumulative GPA.
Open tool →Matrix Determinant Calculator
Calculate the determinant of a 3×3 matrix.
Open tool →Matrix Multiplication Calculator
Multiply two 2×2 matrices and display the resulting matrix.
Open tool →Matrix Inverse Calculator
Calculate the inverse of a nonsingular 2×2 matrix.
Open tool →Linear Equation Solver
Solve a linear equation in the form ax + b = c.
Open tool →System of Equations Solver
Solve a two-variable system of two linear equations.
Open tool →Logarithm Calculator
Calculate a logarithm for any positive value and valid base.
Open tool →Exponent Calculator
Raise a base to a selected exponent.
Open tool →Square Root Calculator
Calculate the principal square root of a nonnegative number.
Open tool →Cube Root Calculator
Calculate the real cube root of a number.
Open tool →Factorial Calculator
Calculate n factorial for whole numbers from 0 through 170.
Open tool →Average Order Value Calculator
Calculate average order value from revenue and number of orders.
Open tool →Click-Through Rate Calculator
Calculate click-through rate from clicks and impressions.
Open tool →Cost Per Lead Calculator
Calculate cost per lead from marketing spend and leads generated.
Open tool →Lead Conversion Rate Calculator
Calculate the percentage of visitors or prospects that become leads.
Open tool →Email Open Rate Calculator
Calculate email open rate from unique opens and delivered emails.
Open tool →Email Click-Through Rate Calculator
Calculate email click-through rate from clicks and delivered emails.
Open tool →Ecommerce Profit Calculator
Estimate ecommerce profit and profit margin from revenue and costs.
Open tool →GMROI Calculator
Calculate gross margin return on inventory investment.
Open tool →Inventory Turnover Calculator
Calculate inventory turnover from cost of goods sold and average inventory.
Open tool →Reorder Point Calculator
Calculate a reorder point from daily demand, lead time, and safety stock.
Open tool →Safety Stock Calculator
Estimate safety stock using maximum and average demand and lead times.
Open tool →Economic Order Quantity Calculator
Calculate EOQ from annual demand, ordering cost, and holding cost.
Open tool →Sell-Through Rate Calculator
Calculate sell-through rate from units sold and units received.
Open tool →Cart Abandonment Rate Calculator
Calculate shopping cart abandonment rate from initiated and completed checkouts.
Open tool →Engagement Rate Calculator
Calculate engagement rate from interactions and audience or impressions.
Open tool →Churn Rate Calculator
Calculate customer churn rate over a period.
Open tool →Retention Rate Calculator
Calculate customer retention rate from starting, ending, and new customers.
Open tool →MRR Calculator
Calculate monthly recurring revenue from customers and average monthly revenue per customer.
Open tool →ARR Calculator
Calculate annual recurring revenue from monthly recurring revenue.
Open tool →MRR Growth Calculator
Calculate monthly recurring revenue growth from previous and current MRR.
Open tool →LTV to CAC Ratio Calculator
Calculate the customer lifetime value to acquisition cost ratio.
Open tool →CAC Payback Period Calculator
Estimate how many months are needed to recover customer acquisition cost.
Open tool →Payback Period Calculator
Estimate simple investment payback period from initial cost and recurring cash flow.
Open tool →Contribution Margin Calculator
Calculate contribution margin and contribution margin percentage.
Open tool →Operating Margin Calculator
Calculate operating margin from operating income and revenue.
Open tool →EBITDA Margin Calculator
Calculate EBITDA margin from EBITDA and revenue.
Open tool →Cost of Goods Sold Calculator
Calculate COGS from beginning inventory, purchases, and ending inventory.
Open tool →Average Revenue Per User Calculator
Calculate ARPU from revenue and active users or customers.
Open tool →Ad Spend Calculator
Estimate advertising spend from CPC and clicks or CPM and impressions.
Open tool →Target ROAS Calculator
Calculate target return on ad spend from revenue target and ad budget.
Open tool →Days From Today Calculator
Calculate the calendar date a number of days before or after today.
Open tool →Weeks From Today Calculator
Calculate the calendar date a number of weeks before or after today.
Open tool →Months From Today Calculator
Calculate the calendar date a number of months before or after today.
Open tool →Hours From Now Calculator
Calculate the date and time a number of hours from now.
Open tool →Minutes From Now Calculator
Calculate the date and time a number of minutes from now.
Open tool →Week Number Calculator
Find the ISO week number and ISO week-year for a date.
Open tool →Day of Week Calculator
Find the weekday name for any calendar date.
Open tool →Day of Year Calculator
Find the ordinal day number within the year for a date.
Open tool →Leap Year Calculator
Check whether a year is a leap year and show its number of days.
Open tool →Business Date Calculator
Add or subtract business days while skipping Saturdays and Sundays.
Open tool →Time Zone Difference Calculator
Compare current UTC offsets between common time zones.
Open tool →Meeting Time Planner
Convert a proposed meeting time between common time zones.
Open tool →ISO Week Date Converter
Convert a calendar date to ISO week-date format.
Open tool →Julian Date Converter
Convert a UTC date and time to a Julian Date number.
Open tool →Epoch Milliseconds Converter
Convert between Unix epoch milliseconds and ISO date-time.
Open tool →Unix Time to ISO 8601 Converter
Convert Unix seconds to an ISO 8601 UTC timestamp.
Open tool →ISO 8601 to Unix Time Converter
Convert an ISO 8601 date-time to Unix seconds.
Open tool →Time Zone Offset Converter
Convert a clock time between numeric UTC offsets.
Open tool →Working Days From Today Calculator
Calculate a date a number of weekdays before or after today.
Open tool →Weekend Days Calculator
Count Saturdays and Sundays between two dates.
Open tool →Modulo Calculator
Calculate a normalized modulo result for two numbers.
Open tool →Remainder Calculator
Calculate the arithmetic remainder after division.
Open tool →Proportion Calculator
Solve a proportion in the form a divided by b equals c divided by x.
Open tool →Decimal to Fraction Calculator
Convert a decimal number to a simplified fraction.
Open tool →Mixed Number Calculator
Convert an improper fraction to a simplified mixed number.
Open tool →Fraction Simplifier
Reduce a fraction to lowest terms.
Open tool →Percent Difference Calculator
Calculate percent difference between two values.
Open tool →Quartile Calculator
Calculate first quartile, median, and third quartile from a data set.
Open tool →Interquartile Range Calculator
Calculate the interquartile range from a numerical data set.
Open tool →Ratio to Percentage Calculator
Convert a ratio or fraction to a percentage.
Open tool →Linear Interpolation Calculator
Estimate y for an x value between two known points.
Open tool →Standard Error Calculator
Calculate standard error from standard deviation and sample size.
Open tool →Variance Calculator
Calculate population or sample variance from a numerical data set.
Open tool →Coefficient of Variation Calculator
Calculate coefficient of variation from a numerical data set.
Open tool →Range Calculator
Calculate the minimum, maximum, and range of a numerical data set.
Open tool →VA to Watts Calculator
Convert volt-amperes (VA) to real power in watts using power factor.
Open tool →Watts to VA Calculator
Convert real power in watts to apparent power in volt-amperes using power factor.
Open tool →kVA to Amps Calculator
Convert apparent power in kVA to current for single-phase or three-phase AC systems.
Open tool →Amps to kVA Calculator
Convert AC current to apparent power in kVA for single-phase or three-phase systems.
Open tool →kVA to Watts Calculator
Convert apparent power in kVA to real power in watts using power factor.
Open tool →Watts to kVA Calculator
Convert watts to kVA using power factor.
Open tool →kVA to kW Calculator
Convert apparent power in kVA to real power in kW using power factor.
Open tool →kW to kVA Calculator
Convert real power in kW to apparent power in kVA using power factor.
Open tool →Volts to kW Calculator
Calculate AC power in kilowatts from voltage, current, power factor, and phase.
Open tool →kW to Volts Calculator
Calculate required AC voltage from kilowatts, current, power factor, and phase.
Open tool →Ohms to Amps Calculator
Calculate current from voltage and resistance using Ohm's law.
Open tool →Amps to Ohms Calculator
Calculate resistance from voltage and current using Ohm's law.
Open tool →Volts to Ohms Calculator
Calculate resistance from voltage and current.
Open tool →Ohms to Volts Calculator
Calculate voltage from current and resistance.
Open tool →Watts to Ohms Calculator
Calculate resistance from power and voltage.
Open tool →Ohms to Watts Calculator
Calculate power from voltage and resistance.
Open tool →Ah to Wh Calculator
Convert amp-hours to watt-hours using battery voltage.
Open tool →Wh to Ah Calculator
Convert watt-hours to amp-hours using battery voltage.
Open tool →Amp Hour Calculator
Calculate battery capacity in amp-hours from current and runtime.
Open tool →kWh Cost Calculator
Calculate electricity cost from energy use and price per kWh.
Open tool →Electricity Cost Calculator
Estimate electricity cost from wattage, usage time, and electricity rate.
Open tool →Appliance Energy Cost Calculator
Estimate appliance energy use and operating cost over a chosen period.
Open tool →Power Consumption Calculator
Calculate energy consumption in Wh and kWh from power and runtime.
Open tool →Generator Size Calculator
Estimate generator capacity from running load, starting surge, and reserve margin.
Open tool →Generator Wattage Calculator
Estimate peak generator wattage from appliance running and starting watt values.
Open tool →Generator Fuel Consumption Calculator
Estimate generator fuel use from electrical output, efficiency, and fuel energy content.
Open tool →Extension Cord Gauge Calculator
Estimate a copper extension-cord gauge based on current, length, voltage, and voltage-drop target.
Open tool →Cable Size Calculator
Estimate conductor cross-sectional area from current, length, voltage, material, and voltage-drop target.
Open tool →DC Wire Size Calculator
Estimate DC conductor size from current, run length, system voltage, and allowed voltage drop.
Open tool →AC Wire Size Calculator
Estimate single-phase AC conductor size from current, run length, voltage, and allowed voltage drop.
Open tool →12V Wire Size Calculator
Estimate copper wire size for a 12-volt DC circuit using current, distance, and voltage-drop target.
Open tool →24V Wire Size Calculator
Estimate copper wire size for a 24-volt DC circuit using current, distance, and voltage-drop target.
Open tool →48V Wire Size Calculator
Estimate copper wire size for a 48-volt DC circuit using current, distance, and voltage-drop target.
Open tool →Wire Resistance Calculator
Estimate conductor resistance from material, length, and cross-sectional area.
Open tool →Breaker Size Calculator
Estimate a planning breaker size from load current and sizing multiplier.
Open tool →Fuse Size Calculator
Estimate a planning fuse rating from load current and reserve margin.
Open tool →Transformer Sizing Calculator
Estimate transformer VA and kVA capacity from voltage, current, and reserve margin.
Open tool →Current Transformer Calculator
Calculate current-transformer ratio and expected secondary current.
Open tool →Transformer Turns Ratio Calculator
Calculate transformer voltage/turns ratio and secondary turns.
Open tool →Motor Full Load Amps Calculator
Estimate motor full-load current from horsepower, voltage, efficiency, power factor, and phase.
Open tool →Motor Horsepower to Amps Calculator
Convert motor horsepower to estimated current using voltage, efficiency, power factor, and phase.
Open tool →Horsepower to Watts Calculator
Convert mechanical horsepower to watts.
Open tool →Watts to Horsepower Calculator
Convert watts to mechanical horsepower.
Open tool →AC Power Calculator
Calculate single-phase or three-phase AC real power from voltage, current, and power factor.
Open tool →DC Power Calculator
Calculate DC power from voltage and current.
Open tool →Three Phase Power Calculator
Calculate three-phase real power from line voltage, current, and power factor.
Open tool →Single Phase Power Calculator
Calculate single-phase real power from voltage, current, and power factor.
Open tool →Reactive Power Calculator
Calculate reactive power in kVAR from real power and power factor.
Open tool →Apparent Power Calculator
Calculate apparent power in kVA from real power and power factor.
Open tool →AC Amps to Watts Calculator
Convert AC current in amps to real power in watts using voltage, power factor, and phase.
Open tool →DC Amps to Watts Calculator
Convert DC current in amps to watts using system voltage.
Open tool →Single Phase Amps to Watts Calculator
Calculate single-phase AC watts from amps, volts, and power factor.
Open tool →Three Phase Amps to Watts Calculator
Calculate three-phase AC watts from amps, line voltage, and power factor.
Open tool →12V Amps to Watts Calculator
Convert amps to watts in a 12-volt DC system.
Open tool →24V Amps to Watts Calculator
Convert amps to watts in a 24-volt DC system.
Open tool →48V Amps to Watts Calculator
Convert amps to watts in a 48-volt DC system.
Open tool →120V Amps to Watts Calculator
Convert amps to watts at 120 volts AC using power factor.
Open tool →230V Amps to Watts Calculator
Convert amps to watts at 230 volts AC using power factor.
Open tool →240V Amps to Watts Calculator
Convert amps to watts at 240 volts AC using power factor.
Open tool →12V Watts to Amps Calculator
Convert watts to amps in a 12-volt DC system.
Open tool →24V Watts to Amps Calculator
Convert watts to amps in a 24-volt DC system.
Open tool →48V Watts to Amps Calculator
Convert watts to amps in a 48-volt DC system.
Open tool →120V Watts to Amps Calculator
Convert watts to amps at 120 volts AC using power factor.
Open tool →230V Watts to Amps Calculator
Convert watts to amps at 230 volts AC using power factor.
Open tool →240V Watts to Amps Calculator
Convert watts to amps at 240 volts AC using power factor.
Open tool →Watts to kWh per Day Calculator
Convert appliance wattage and daily runtime into kilowatt-hours used per day.
Open tool →Monthly Electricity Usage Calculator
Estimate monthly electricity use in kWh from wattage, daily runtime, and billing days.
Open tool →Annual Electricity Cost Calculator
Estimate annual energy use and electricity cost from power, runtime, and utility rate.
Open tool →Energy Cost per Hour Calculator
Calculate how much an electrical load costs to run for one hour.
Open tool →Solar Panel Output Calculator
Estimate daily solar energy output from panel wattage, panel count, sun hours, and system efficiency.
Open tool →Solar Panel Size Calculator
Estimate the solar array wattage and panel count needed for a target daily energy use.
Open tool →Solar Battery Size Calculator
Estimate battery-bank energy and amp-hour capacity for solar storage and autonomy.
Open tool →Solar Battery Runtime Calculator
Estimate how long a solar battery bank can power a steady electrical load.
Open tool →Solar Charge Time Calculator
Estimate effective sun hours needed to recharge a battery from a solar array.
Open tool →Inverter Size Calculator
Estimate an inverter wattage rating from continuous load, surge load, and headroom.
Open tool →Inverter Battery Runtime Calculator
Estimate battery runtime through an inverter using battery energy, usable capacity, load, and efficiency.
Open tool →Battery Charging Time Calculator
Estimate battery charging time from capacity, state of charge, charger current, and efficiency.
Open tool →Battery C-Rate Calculator
Calculate battery C-rate from current and amp-hour capacity.
Open tool →Battery Energy Density Calculator
Calculate gravimetric and volumetric battery energy density from watt-hours, mass, and volume.
Open tool →Capacitor Energy Calculator
Calculate energy stored in a capacitor from capacitance and voltage.
Open tool →Capacitor Charge Calculator
Calculate electric charge stored in a capacitor from capacitance and voltage.
Open tool →Capacitive Reactance Calculator
Calculate capacitor reactance in ohms from capacitance and AC frequency.
Open tool →Inductive Reactance Calculator
Calculate inductor reactance in ohms from inductance and AC frequency.
Open tool →Resonant Frequency Calculator
Calculate the resonant frequency of an ideal LC circuit from inductance and capacitance.
Open tool →RL Time Constant Calculator
Calculate the time constant of a resistor-inductor circuit from inductance and resistance.
Open tool →Series RLC Impedance Calculator
Calculate impedance magnitude, reactance, and phase angle for a series RLC circuit.
Open tool →Parallel RLC Impedance Calculator
Calculate ideal parallel RLC impedance magnitude and phase angle at a chosen frequency.
Open tool →Impedance Triangle Calculator
Calculate impedance magnitude and phase angle from resistance and reactance.
Open tool →Phase Angle Calculator
Convert power factor to electrical phase angle in degrees.
Open tool →Frequency to Period Calculator
Convert frequency in hertz to period in seconds, milliseconds, and microseconds.
Open tool →Period to Frequency Calculator
Convert a time period to frequency in hertz.
Open tool →Wavelength Calculator
Calculate wavelength from frequency and propagation velocity factor.
Open tool →dBm to Watts Calculator
Convert power level in dBm to watts and milliwatts.
Open tool →Watts to dBm Calculator
Convert watts to a power level in dBm.
Open tool →dBW to Watts Calculator
Convert power level in dBW to watts.
Open tool →Watts to dBW Calculator
Convert watts to a power level in dBW.
Open tool →RMS Voltage Calculator
Calculate RMS voltage from sinusoidal peak voltage.
Open tool →Peak Voltage Calculator
Calculate sinusoidal peak and peak-to-peak voltage from RMS voltage.
Open tool →Concrete Block Fill Calculator
Estimate grout or concrete needed to fill concrete masonry block cores.
Open tool →Cinder Block Calculator
Estimate standard cinder or concrete blocks needed for a wall.
Open tool →Breeze Block Calculator
Estimate breeze blocks needed for a wall using metric dimensions.
Open tool →Block and Beam Floor Calculator
Estimate beam length and infill blocks for a block-and-beam floor layout.
Open tool →Retaining Wall Block Calculator
Estimate retaining wall blocks from wall dimensions and block face size.
Open tool →Retaining Wall Material Calculator
Estimate retaining-wall blocks and drainage gravel for a basic wall layout.
Open tool →Bricks per Square Foot Calculator
Calculate how many bricks cover one square foot including mortar joints.
Open tool →Bricks per Square Meter Calculator
Calculate how many bricks cover one square meter including mortar joints.
Open tool →Masonry Mortar Calculator
Estimate mortar bags from masonry wall area and bag coverage.
Open tool →Masonry Wall Calculator
Estimate masonry units for a wall from unit face dimensions.
Open tool →Footing Concrete Calculator
Estimate concrete volume for a rectangular footing.
Open tool →Strip Footing Concrete Calculator
Estimate concrete volume for continuous strip footings.
Open tool →Foundation Concrete Calculator
Estimate concrete for foundation walls from length, height, and thickness.
Open tool →Pier Concrete Calculator
Estimate concrete volume for cylindrical piers.
Open tool →Sonotube Concrete Calculator
Estimate concrete needed for round Sonotube forms.
Open tool →Concrete Column Calculator
Estimate concrete for rectangular concrete columns.
Open tool →Concrete Stairs Calculator
Estimate concrete volume for a solid straight stair profile.
Open tool →Concrete Curb Calculator
Estimate concrete volume for a rectangular curb.
Open tool →Concrete Driveway Calculator
Estimate concrete volume for a driveway slab.
Open tool →Concrete Patio Calculator
Estimate concrete volume for a patio slab.
Open tool →Concrete Post Hole Calculator
Estimate concrete for cylindrical fence or deck post holes.
Open tool →Concrete Yield Calculator
Calculate total concrete volume from bag count and bag yield.
Open tool →Ready Mix Concrete Cost Calculator
Estimate ready-mix concrete material cost from cubic yards and price per yard.
Open tool →Aggregate Calculator
Estimate aggregate volume and weight from area, depth, and density.
Open tool →Pea Gravel Calculator
Estimate pea gravel volume and weight for a rectangular area.
Open tool →Limestone Calculator
Estimate limestone volume and weight for a project area.
Open tool →Crushed Concrete Calculator
Estimate crushed concrete volume and tonnage for a project.
Open tool →Decomposed Granite Calculator
Estimate decomposed granite volume and weight.
Open tool →Landscape Rock Calculator
Estimate landscape rock volume and weight for beds and ground cover.
Open tool →Driveway Material Calculator
Estimate driveway aggregate volume, tonnage, and material cost.
Open tool →Asphalt Driveway Calculator
Estimate asphalt tonnage for a driveway from dimensions and thickness.
Open tool →Asphalt Cost Calculator
Estimate asphalt material cost from tonnage and price per ton.
Open tool →Road Gravel Calculator
Estimate gravel volume and tonnage for a road or lane.
Open tool →Sub Base Calculator
Estimate sub-base aggregate volume and tonnage for paving projects.
Open tool →Trench Volume Calculator
Calculate excavation volume for a rectangular trench.
Open tool →Excavation Volume Calculator
Calculate excavation volume in cubic feet and cubic yards.
Open tool →Fill Dirt Calculator
Estimate fill dirt volume for an area and target depth.
Open tool →Backfill Calculator
Estimate backfill volume after subtracting buried structure volume.
Open tool →Dirt Weight Calculator
Estimate dirt weight from cubic yards and bulk density.
Open tool →Retaining Wall Gravel Calculator
Estimate drainage gravel behind a retaining wall.
Open tool →Plaster Calculator
Estimate plaster bags from wall area, coats, and bag coverage.
Open tool →Stucco Calculator
Estimate stucco material from surface area, coats, and coverage.
Open tool →Siding Calculator
Estimate siding squares and pieces from net wall area.
Open tool →Baseboard Calculator
Estimate baseboard linear footage and stock pieces for a room.
Open tool →Crown Molding Calculator
Estimate crown molding linear footage and stock pieces.
Open tool →Roof Tile Calculator
Estimate roof tiles from roof area, tile coverage, and waste allowance.
Open tool →Screen PPI Calculator
Calculate display pixel density from resolution and diagonal screen size.
Open tool →UTF-8 Byte Counter
Count UTF-8 bytes, Unicode code points, and JavaScript characters in text.
Open tool →CHMOD Calculator
Convert Unix numeric file permissions such as 755 into symbolic rwx notation.
Open tool →Force Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Acceleration Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Momentum Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Impulse Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Kinetic Energy Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Potential Energy Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Work Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Mechanical Power Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Lever Torque Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Pressure Force Area Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Density Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Specific Gravity Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Buoyancy Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Reynolds Number Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Bernoulli Equation Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Hydraulic Power Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Pump Power Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Pipe Flow Rate Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Heat Transfer Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Thermal Expansion Calculator
Calculate a physics or engineering value using standard formulas and units.
Open tool →Why use Avorqin?
Avorqin focuses on quick, focused utilities for common developer tasks. Tools in this collection are designed to be easy to open, use, and understand without unnecessary setup. Where a tool states that processing is local, its transformation runs in your browser.