直方体計算機

共有リンク

はじめに

Rectangular Prism Calculator — Find the volume and surface area of a rectangular prism. Enter Length, Width, Height to get an instant, accurate result.

計算式

Volume = length × width × height. Surface area = 2×(length×width + length×height + width×height).

ステップごとの説明

Enter the Length.
Enter the Width.
Enter the Height.
Click Calculate to see your result instantly.

実例

Example: With Length = 2, Width = 3, Height = 4, the Rectangular Prism Calculator gives Volume: 24, Surface Area: 52.

よくある質問

Does this work for a cube?

Yes — enter the same value for length, width, and height.

How many faces does a rectangular prism have?

Six rectangular faces, in three pairs of equal opposite faces.

What inputs does the Rectangular Prism Calculator need?

You'll need to provide: Length, Width, Height. 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 Rectangular Prism Calculator?

The Rectangular Prism Calculator applies the formula exactly as calculated — Volume = length × width × height. Surface area = 2×(length×width + length×height + width×height). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Rectangular Prism Calculator free to use?

Yes, the Rectangular Prism Calculator is completely free, requires no signup, and runs instantly in your browser.