basic

Rectangular Prism Volume Calculator

Volume and surface area of a rectangular box.

Compute the volume and total surface area of a rectangular prism (box) from its length, width, and height.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

V = L · W · H, Surface = 2(LW + LH + WH).

In depth

Compute the volume and total surface area of a rectangular prism (box) from its length, width, and height.