立方体計算機

共有リンク

はじめに

Cube Calculator — Find the volume, surface area, and diagonal of a cube. Enter Side length to get an instant, accurate result.

計算式

Volume = s³. Surface area = 6×s². Space diagonal = s×√3, where s is the side length.

ステップごとの説明

Enter the Side length.
Click Calculate to see your result instantly.

実例

Example: With Side length = 2, the Cube Calculator gives Volume: 8, Surface Area: 24, Diagonal: 3.4641.

よくある質問

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.