Rectangular Prism Calculator
Find the volume and surface area of a rectangular prism.
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Introduction
Rectangular Prism Calculator — Find the volume and surface area of a rectangular prism. Enter Length, Width, Height to get an instant, accurate result.
Formula
Volume = length × width × height. Surface area = 2×(length×width + length×height + width×height).
Step-by-step
- Enter the Length.
- Enter the Width.
- Enter the Height.
- Click Calculate to see your result instantly.
Real-world example
Example: With Length = 2, Width = 3, Height = 4, the Rectangular Prism Calculator gives Volume: 24, Surface Area: 52.
Frequently Asked Questions
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.
About the Rectangular Prism Calculator
The Rectangular Prism Calculator uses a real, verifiable formula — Volume = length × width × height. Surface area = 2×(length×width + length×height + width×height). — so results are accurate every time, not an approximation.