Cube Calculator
Find the volume, surface area, and diagonal of a cube.
Amortization schedule
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Showing first 12 of months.
Growth over time
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Introduction
Cube Calculator — Find the volume, surface area, and diagonal of a cube. Enter Side length to get an instant, accurate result.
Formula
Volume = s³. Surface area = 6×s². Space diagonal = s×√3, where s is the side length.
Step-by-step
- Enter the Side length.
- Click Calculate to see your result instantly.
Real-world example
Example: With Side length = 2, the Cube Calculator gives Volume: 8, Surface Area: 24, Diagonal: 3.4641.
Frequently Asked Questions
What is the space diagonal?
The diagonal line running from one corner of the cube through its interior to the opposite corner.
How many faces does surface area cover?
All six square faces of the cube.
What inputs does the Cube Calculator need?
You'll need to provide: Side length. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Cube Calculator?
The Cube Calculator applies the formula exactly as calculated — Volume = s³. Surface area = 6×s². Space diagonal = s×√3, where s is the side length. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Cube Calculator free to use?
Yes, the Cube Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Cube Calculator
The Cube Calculator uses a real, verifiable formula — Volume = s³. Surface area = 6×s². Space diagonal = s×√3, where s is the side length. — so results are accurate every time, not an approximation.