Cube Volume Calculator
Every edge of a cube is the same length, so the volume is the edge cubed — which is where the word "cubed" comes from.
V = s³
Volume of the cube
27ft³
- Surface area
- 54 ft²
- V = 3³ = 27 ft³
- SA = 6 × 3² = 54 ft²
Volume in other units
| m³ | 0.764555 |
| liters | 764.555 |
| ft³ | 27 |
| yd³ | 1 |
| in³ | 46,656 |
| US gallons | 201.974 |
| cm³ (mL) | 764,555 |
How to find the volume of a cube
Volume: V = s³. Surface area: SA = 6s².
- Measure in one unit. The answer comes out in that unit cubed (ft³, m³).
- Substitute into the formula; the calculator shows the steps with your numbers.
- Read liters, gallons, cubic yards and more in the conversion table. 1 ft³ ≈ 7.48 US gallons ≈ 28.32 liters.
Questions people ask
Why is a cubic yard 27 cubic feet?
A cubic yard is a cube 3 ft on each edge: 3 × 3 × 3 = 27 ft³.
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