Volume Calculator

Calculate the volume and surface area of boxes, cubes, cylinders, spheres, cones and pyramids, with litres.

How do I calculate volume?

Choose the shape and enter its dimensions: a box is length × width × height, a cylinder π r² h, a sphere 4/3 π r³ and a cone ⅓ π r² h. A 30 × 20 × 10 cm box holds 6,000 cm³, which is 6 litres.

Handy conversions

1 litre = 1,000 cm³ = 0.001 m³
1 m³ = 1,000 litres
1 ft³ ≈ 28.32 litres

Frequently asked questions

How do I find the volume of a fish tank?

Use the box shape with the inside dimensions; the litres value is the capacity.

Is surface area included?

Yes, for every shape.

Is it free?

Yes.