- Construction Calculator
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Residential Electrical Load Calculator (NEC)Estimate a US home's total electrical load (VA) and service size in amps using NEC general-lighting, small-appliance, and fixed-appliance loads.
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Freight Density CalculatorCalculate LTL freight density in lb/ft³ from weight and dimensions, plus an estimated NMFC freight class. Free shipping density tool for US carriers.
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Fuel CO₂ Emissions CalculatorCalculate CO₂ emissions from fuel burned. Enter litres of gasoline, diesel or LPG to get kilograms and tonnes of CO₂ using standard emission factors.
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Cost per Square Foot EstimatorEstimate total project cost from area and price per square foot. Enter square footage and cost per ft² to get an instant total cost estimate.
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Gas Mileage (MPG) CalculatorCalculate your car's gas mileage in miles per gallon (MPG) from miles driven and gallons used. Also shows L/100km and km/L equivalents.
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Pavers Needed for a Rectangular Patio CalculatorCalculate how many pavers you need for a rectangular patio. Enter patio and paver dimensions plus waste to get the exact count, area, and overage.
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Decking Boards for a Rectangular Deck CalculatorCalculate how many decking boards you need for a rectangular deck based on deck size, board width, board length and the gap between boards.
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Bricks Needed for a Rectangular Wall CalculatorCalculate how many bricks you need for a rectangular wall from its length, height, brick face size and a waste allowance. Fast and free.
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Grass Seed for a Rectangular Lawn CalculatorCalculate how much grass seed you need for a rectangular lawn from its length, width, and seeding rate. Get the amount in grams and kilograms.
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VinFast VF6 Range CalculatorEstimate the VinFast VF6 EV driving range from battery capacity, state of charge, and energy consumption per mile. Quick, accurate range estimate.
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VinFast VF7 Range CalculatorEstimate the driving range of the VinFast VF7 EV from battery capacity, state of charge, and energy consumption per mile. Quick, accurate range tool.
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Cloud Data Transfer Time CalculatorEstimate how long it takes to upload or download data to/from the cloud based on file size in GB and connection bandwidth in Mbps.
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Savings Plan vs On-Demand CalculatorCompare cloud Savings Plan vs On-Demand pricing. Enter your on-demand cost and discount % to see monthly savings, effective cost, and annual savings.
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Streaming Data Usage CalculatorEstimate how much data streaming video or music uses. Find GB per hour by quality (SD, HD, 4K) and total data for any number of hours.
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Power-to-Weight Ratio CalculatorCalculate your vehicle's power-to-weight ratio in hp per pound, ton, or kilogram. Enter horsepower and weight to compare performance instantly.
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Horsepower to Torque CalculatorConvert horsepower and RPM to torque in lb-ft (and N·m) using the standard torque = HP × 5252 / RPM formula. Fast, free engine torque calculator.
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Pea Gravel CalculatorCalculate how much pea gravel you need in tons and cubic yards. Enter length, width, depth and density to estimate material for your project.
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Stair Stringer Length CalculatorCalculate the minimum stair stringer length from total rise and run using the Pythagorean theorem. Get stringer length, total rise, total run, and stair angle.
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Countertop Square Footage CalculatorCalculate countertop square footage by adding up each section's length × width. Includes waste overage, square meters, and total square inches.
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Paint Quantity CalculatorCalculate how many gallons of paint you need for your walls based on area, number of coats, and coverage per gallon. Fast, free paint estimator.
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Wallpaper Rolls CalculatorCalculate how many wallpaper rolls you need for a room from perimeter, wall height, roll size and pattern repeat. Free, accurate, with rounding for waste.
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Wire Gauge (AWG) CalculatorConvert American Wire Gauge (AWG) to conductor diameter and cross-sectional area, and estimate copper wire current capacity (ampacity) by density.
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Rectangular Plate Weight CalculatorCalculate the weight of a rectangular metal plate or sheet from its length, width, thickness, and material density. Get kg, grams, and pounds instantly.
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Wallpaper Rolls for a Rectangular Wall CalculatorCalculate how many wallpaper rolls you need for a rectangular wall. Enter wall and roll dimensions to get the number of rolls, rounded up.
