📏 Enter known values

📐 Accepted units: mm, cm, dm, m, dam, hm, km, in, ft, yd, mi

Formula Reference

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Calculate the Volume
Please fill in the fields:
Height Length Width
And leave empty
Volume
Calculate the Height
Please fill in the fields:
Volume Length Width
And leave empty
Height
Calculate the Length
Please fill in the fields:
Volume Height Width
And leave empty
Length
Calculate the Width
Please fill in the fields:
Volume Height Length
And leave empty
Width

Volume of a Rectangular Prism

The volume of a rectangular prism calculator finds any of these four values: Volume, Height, Length or Width. A rectangular prism, also called a cuboid, is a box with six rectangular faces. Enter three values and the missing one is calculated automatically.

How it works

The volume is the area of the base times the height:

\[ Volume = Height \times Length \times Width \]

To find a side, divide the volume by the product of the other two sides. All three sides must use the same unit, and the volume comes out in that unit cubed.

Example

A box is 5 long, 4 wide and 3 high. The volume is 3 × 5 × 4 = 60. If you know the volume is 60 and the box is 5 long and 4 wide, leave the height empty and the calculator finds 3.

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