Rectangular Cuboid Volume Calculator

Calculate the volume of a rectangular cuboid (box) using length, width, and height. Free online calculator with instant conversion between metric and imperial units.

Cuboid Volume Calculator

Length

Width

Height

Unit

Common Examples

Small Room

10 × 8 × 9 ft

Volume: 720 ft³

Storage Box

6 × 4 × 3 ft

Volume: 72 ft³

Paper Box

20 × 8.5 × 11 in

Volume: 1870 in³

How to Calculate Cuboid Volume

A rectangular cuboid (also known as a rectangular prism or box) is a three-dimensional shape with six rectangular faces. To find its volume, multiply the length, width, and height:

Volume = length × width × height

Common Applications

Room volumes for heating and cooling calculations
Shipping box and container volumes
Storage space planning
Construction and building materials
Packaging design

About this Calculator