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Calculation Machine

Volume Calculator

Volume of cylinders, boxes, spheres and cones.

Reviewed by James Whitfield · How we check our maths

Your values

ⓘ Live results

Results
Volume
282.74334 cubic ft
In gallons (US)
2115.067
In litres
8006.39
In cubic yards
10.472
In cubic metres
8.0064

Quick answer

Volume measures three-dimensional space: a cylinder is πr²h, a box is l×w×h, a sphere is 4/3πr³ and a cone is ⅓πr²h.

The formula

V(cylinder) = πr²h

Worked example

Worked example

Using the values the calculator loads with.

Inputs

  • ShapeCylinder
  • Radius, or length3 ft
  • Height, or width10 ft
  • Depth (box only)4 ft

Result

  • Volume282.74334 cubic ft
  • In gallons (US)2115.067
  • In litres8006.39
  • In cubic yards10.472
  • In cubic metres8.0064

How to use the Volume Calculator

  1. 1Choose the shape.
  2. 2Enter the dimensions in feet.
  3. 3Read the volume in several units.

Frequently asked questions

How many gallons in a cubic foot?

7.48 US gallons, or 6.23 imperial gallons.

How do I find pool volume?

Treat it as a box using average depth: length × width × average depth, then convert to gallons.

About this calculator