Free online tool
Volume calculator
Pick a shape, type its sizes, and get the volume in litres, m³, ft³, gallons and more.
Works in your browserNothing is sent anywhereNo sign-upFree
Shape
Formula
Questions
Good to know
How many litres is 1 m³?
1,000 litres. And 1 litre is 1,000 cm³.
How do I find the volume of a fish tank or box?
Length × width × height. A 50 × 30 × 20 cm tank holds 30,000 cm³, which is 30 litres.

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