Volume Calculator

Calculate the volume of boxes, cylinders, cones and spheres in cubic feet, cubic metres, litres and gallons.

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How to Use This Calculator

How to Use

  1. Choose metric or imperial units.
  2. Select the shape you want to measure.
  3. Enter the dimensions and read the volume in several units.

Formulas

  • Box: length × width × height
  • Cylinder: π × radius² × height
  • Cone: ⅓ × π × radius² × height
  • Sphere: 4⁄₃ × π × radius³

Common Questions

How many litres are in a cubic metre?

One cubic metre equals exactly 1,000 litres.

How many cubic feet are in a cubic yard?

There are 27 cubic feet in one cubic yard.

How do I find the radius from the diameter?

Divide the diameter by two. The radius is half the diameter.

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