Volume Calculator
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Volume
Add this free volume calculator to your website or blog.
Ensure all dimensions (length, width, height) are in the same unit before calculating. If you mix inches and feet, your answer will be wrong. Convert everything to one unit first.
For spheres and cylinders, the formula uses radius (r). If you are given the diameter (width across), divide it by 2 to get the radius before plugging it into the calculator.
Calculating for a tank or pool? 1 cubic meter = 1000 liters. 1 cubic foot ≈ 7.48 gallons. This helps translate "math volume" into real-world capacity.
Multiplying inches by feet gives nonsense results. Always convert to a single unit (like all inches or all feet) before starting the calculation.
The volume of a cone is exactly 1/3 of a cylinder with the same dimensions. Don't forget to divide by 3 (or multiply by 1/3) in the formula.
Volume is 3D, so you often cube numbers (r³ or s³). Don't just square them (r²). Check the exponent in the formula carefully.