- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
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Volume of a Sphere CalculatorCalculate the volume of a sphere from its radius using V = (4/3)πr³. Instantly get volume, diameter, and surface area in any unit.
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Volume of a Cylinder CalculatorCalculate the volume of a cylinder instantly from its radius and height using V = πr²h. Also shows base area and total surface area.
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Water Tank Volume CalculatorCalculate water tank capacity in liters, US & UK gallons, and cubic meters. Works for cylindrical and rectangular tanks using simple dimensions.
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Cubic Feet of a Rectangle (Box) CalculatorCalculate the cubic feet (volume) of a rectangular box from its length, width and height in feet. Get instant ft³, yd³ and in³ results.
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Rectangular Prism Volume CalculatorCalculate the volume of a rectangular prism (cuboid) instantly with length × width × height. Also shows surface area. Free and easy to use.
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Pounds to Gallons Calculator (Water)Convert pounds of water to US gallons instantly. Enter the weight in pounds and get the volume using the standard 8.34 lb per gallon factor.
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Oval (Stadium) Tank Volume CalculatorCalculate the volume of an oval (stadium / capsule cross-section) tank from its width, height and length. Get liters, cm³ and US gallons instantly.
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Volume to Weight CalculatorConvert volume to weight (mass) using density. Enter volume in mL, L, m³ or gallons and density to get mass in kg, grams and pounds.
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Round Pool Volume CalculatorCalculate the water volume of a round (circular) swimming pool in US gallons and cubic feet from its diameter and average depth.
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Paint Volume & Coverage CalculatorCalculate how many gallons of paint you need based on wall area, number of coats, and coverage per gallon. Free, fast paint estimator.
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Weight to Volume CalculatorConvert weight (mass) to volume using density. Enter grams, kg, lb or oz plus density to get volume in mL, liters and cm³ instantly.
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Engine Displacement Volume CalculatorCalculate total engine displacement from bore, stroke and cylinder count. Get results in cc, liters and cubic inches instantly with this free tool.
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Fill Dirt CalculatorCalculate how much fill dirt you need in cubic yards and tons. Enter length, width and depth to estimate volume, weight and cost for your project.
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Raised Garden Bed Soil CalculatorCalculate how much soil you need for a raised garden bed in cubic feet, cubic yards, and number of bags. Enter length, width, and depth.
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Rectangular Pool Gallons CalculatorCalculate how many gallons of water your rectangular swimming pool holds using length, width, and average depth. Free, instant pool volume calculator.
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Water Tank Capacity CalculatorCalculate water tank capacity in liters for rectangular or cylindrical tanks. Enter dimensions in meters to get volume, liters and US gallons instantly.
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Shipping Box Volumetric Weight CalculatorCalculate the volumetric (dimensional) weight and volume of a shipping box from its length, width, height and the carrier dimensional divisor (5000, 6000 or 4000).
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Box Volume CalculatorCalculate the volume of a rectangular box from length, width and height. Get results in cubic inches, cubic feet, liters and US gallons instantly.
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Hot Tub Volume CalculatorCalculate how many gallons of water your hot tub holds. Enter the shape and dimensions to estimate volume in gallons, liters and cubic feet.
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Horizontal Cylindrical Tank Volume CalculatorCalculate the liquid volume in a horizontal cylindrical tank for any fill height. Get partial-fill volume, fill %, liters and US gallons instantly.
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Bucket Volume CalculatorCalculate the volume of a tapered bucket from its top diameter, bottom diameter and height. Get results in liters, US gallons and UK gallons instantly.
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Pool Volume CalculatorCalculate the volume of a rectangular swimming pool in US gallons from length, width, and depth. Includes liters, surface area, and average depth.
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Concrete Slab CalculatorCalculate concrete needed for a slab in cubic yards and cubic feet, plus how many 40, 50, 60 or 80 lb bags to buy. Free estimator.
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Liters to Gallons ConverterConvert liters to gallons instantly. Get both US liquid gallons and UK imperial gallons from any volume in liters, with the exact formula shown.
