- Construction Calculator
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- Technology Calculator
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Cloud Data Storage Cost CalculatorEstimate your cloud data storage costs. Enter storage size in GB, price per GB/month, and duration to get total, monthly, and annual cost.
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Concrete Driveway Volume CalculatorCalculate concrete volume in cubic yards and feet for a driveway or slab from length, width and thickness, plus 80 lb and 60 lb bag counts.
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Data Cap Usage CalculatorConvert your monthly data cap into the maximum continuous speed (Mbps) you could stream 24/7, plus average usage per day and per hour.
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Square Feet per Gallon Paint CalculatorFind out how many gallons of paint you need. Enter wall area, coverage per gallon, and coats to get the exact amount of paint to buy.
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CC to HP CalculatorEstimate engine horsepower from displacement in cc using the rule of thumb hp ≈ cc / 15. Adjust the divisor for your engine type and see kW too.
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Wall Tile CalculatorCalculate how many wall tiles you need for a backsplash or feature wall. Enter wall size, tile size, and waste % to get the exact tile count.
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Excavation Volume CalculatorCalculate excavation volume in cubic yards, cubic feet, and cubic meters from length, width, and depth. Free dig volume estimator for trenches and foundations.
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Horsepower to Kilowatts (kW) ConverterConvert horsepower (hp) to kilowatts (kW) instantly. Uses 1 hp = 0.7457 kW. Free, accurate power converter for engines, motors and machinery.
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Fuel Cost Calculator (Cost per Mile vs Gallon)Calculate the total gas cost of any trip from distance, MPG, and price per gallon. See gallons needed and your cost per mile instantly.
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Gravel Tons CalculatorEstimate how many tons of gravel you need from area and depth. Converts cubic yards to US tons using gravel density. Free, fast project calculator.
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Square Footage CalculatorCalculate square footage from length and width in feet. Get instant area in sq ft, square yards, and square meters for any room or space.
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Roof Shingles CalculatorCalculate how many shingle bundles and roofing squares you need. Enter roof dimensions and waste % to estimate materials for your roofing project.
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Conduit Fill Calculator (NEC)Calculate conduit fill percentage and check it against US NEC limits (53% for 1 wire, 31% for 2, 40% for 3+ wires) using wire and conduit areas.
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Septic Tank Volume CalculatorCalculate septic tank capacity in US gallons from length, width and liquid depth in feet. Free rectangular tank volume calculator with liters too.
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PoE Power Budget CalculatorCalculate how many PoE devices your switch power budget supports. Pick a 802.3af/at/bt class or custom watts and see max devices, total draw and headroom.
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Deck Board CalculatorFree deck board calculator: enter deck size, board width, length and gap to find how many decking boards and screws you need, with a waste allowance.
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Concrete Slab Cost CalculatorEstimate the cost to pour a concrete slab from length, width and thickness. Adds material, labor and finishing for a fast total project price.
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Asphalt Driveway Cost CalculatorEstimate the cost to pave an asphalt driveway from length, width, thickness, density, price per ton, and labor. Get tons of asphalt and total cost instantly.
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Economic Order Quantity (EOQ) CalculatorCalculate the optimal Economic Order Quantity (EOQ) to minimize total inventory costs. Enter annual demand, ordering cost, and holding cost.
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Rectangular Room Square Footage CalculatorCalculate the square footage of a rectangular room instantly. Enter length and width in feet to get area in sq ft, sq yards, and sq meters.
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Rectangular Carpet Cost CalculatorEstimate the cost of carpeting a rectangular room. Enter length, width and price per square metre to get total floor area and carpet cost instantly.
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Rectangular Wall Area CalculatorCalculate the area of a rectangular wall from its length and height, then subtract doors and windows to get the net paintable or tileable area in m².
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Car Sales Tax CalculatorEstimate sales tax on a car purchase including trade-in credit and fees. See the tax due and your total out-the-door price instantly.
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Car Lease Payment CalculatorEstimate your monthly car lease payment from cap cost, residual value, money factor and term. Breaks out depreciation, finance fee and tax (US method).
