How to find the volume of a shape
- Choose the shape and the unit you measured in.
- Enter its measurements, all in that unit.
- Read the volume in cubic units, with the formula, the surface area, and the volume in liters, US gallons and cubic feet.
Formulas
| Solid | Volume | Surface area |
|---|---|---|
| Cube | a³ | 6a² |
| Box | lwh | 2(lw + lh + wh) |
| Cylinder | πr²h | 2πr(r + h) |
| Sphere | ⁴⁄₃πr³ | 4πr² |
| Cone | ⅓πr²h | πr(r + √(r² + h²)) |
| Pyramid | ⅓lwh | lw + l√((w/2)² + h²) + w√((l/2)² + h²) |
Units
Volume comes out in the cubic unit of the unit you pick: mm³, cm³, m³, in³, ft³ or yd³. It is also shown in liters, US gallons and cubic feet. Use the volume converter for anything else.