Volume of a Cuboid Calculator
Enter the length, width, and height of a cuboid to instantly compute its volume and total surface area.
Cuboid Dimensions
Results
Enter dimensions and click Calculate.
Volume
Total Surface Area
Space Diagonal
Formulas Used
- V = L × W × H
- SA = 2 × (LW + LH + WH)
- d = √(L² + W² + H²)
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Summary
Enter the length, width, and height of a cuboid to instantly compute its volume and total surface area.
How it works
- Enter the length, width, and height of the cuboid.
- Choose your preferred unit (cm, m, in, ft, etc.).
- The calculator instantly computes the volume (L × W × H).
- It also computes the total surface area using 2(LW + LH + WH).
- The space diagonal is calculated via √(L² + W² + H²).
- Copy any result with one click.
Use cases
- Calculate the volume of a shipping box or storage container.
- Find how much soil, water, or concrete fills a rectangular space.
- Determine the surface area needed to wrap or paint a box.
- Estimate the interior volume of a room or cabinet.
- Solve geometry homework involving rectangular prisms.
- Compute aquarium or pool water capacity.
- Cross-check manual cuboid calculations quickly.
- Convert box dimensions into volume for logistics planning.
Frequently Asked Questions
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Last updated: 2026-05-23 ·
Reviewed by Nham Vu