Volume of Cube Calculator

Calculate the volume and surface area of a cube.

Enter Edge Length

All measurements in same unit

Edge Length (s)

Enter your values above and tap Calculate to see the result.

Volume

Surface Area

Face Diagonal

Space Diagonal

Edge Length

Formulas

V = s³
SA = 6s²
Face d = s√2
Space d = s√3

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the volume of cube figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.