Cube Volume Calculator
Cube the edge for volume; six times one face for surface area. Doubling the edge multiplies volume by eight.
Your numbers
Volume
1,000cm³
Surface area
600cm²
Litres
1L
Formula
Volume = Side length³
A 10 cm cube holds exactly one litre — roughly the size of a one-litre milk carton.
What to enter
| Input | Default | Accepted range |
|---|---|---|
| Side length (cm)One side of a regular polygon — they are all the same. | 10 | 0 and up |
Step by step
Quick reference table
Results when only Side length (cm) changes and everything else stays put.
| Side length (cm) | Volume (cm³) | Surface area (cm²) | Litres (L) |
|---|---|---|---|
| 5 | 125 | 150 | 0.125 |
| 7.5 | 421.88 | 337.5 | 0.422 |
| 10 | 1,000 | 600 | 1 |
| 15 | 3,375 | 1,350 | 3.375 |
| 20 | 8,000 | 2,400 | 8 |
What each result means
| Result | At default values |
|---|---|
| Volume (cm³)The space a solid holds — length cubed. | 1,000 |
| Surface area (cm²)The total area of a solid’s outer skin. | 600 |
| Litres (L)Capacity in litres; one litre is 1,000 cm³. | 1 |
Common mistakes
A 10 cm cube holds exactly one litre — roughly the size of a one-litre milk carton.
Glossary
- Side length
- One side of a regular polygon — they are all the same.
- Volume
- The space a solid holds — length cubed.
- Surface area
- The total area of a solid’s outer skin.
- Litres
- Capacity in litres; one litre is 1,000 cm³.
Frequently asked questions
Q. How is Cube Volume Calculator calculated?
Volume = Side length³ — Cube the edge for volume; six times one face for surface area. Doubling the edge multiplies volume by eight.
Q. Can you walk through an example?
With Side length 10cm, the answer is Volume 1,000cm³.
Q. What do I need to enter?
Enter Side length. The result recalculates as you type, and an empty box counts as zero.
Q. How much does the answer move if I change a number?
Changing only Side length (cm) moves the answer to Side length (cm) 5 → Volume (cm³) 125 and Side length (cm) 20 → Volume (cm³) 8,000. The table below lays out five steps.
Q. How are the numbers rounded?
Money is shown to the nearest whole unit, percentages to one decimal place and everything else to two. What you see is rounded; the calculation itself carries the unrounded value forward.
Q. Anything to watch out for?
A 10 cm cube holds exactly one litre — roughly the size of a one-litre milk carton.
Related calculators
Keep your length units consistent across inputs — mixing centimetres and metres throws results far off.