Cubic feet calculator
Calculator
The calculator needs JavaScript. The tables below give the same numbers for common cases.
How it is worked out
- Volume = length × width × height, with all three in the same unit.
- 1 cubic yard = 27 cubic feet = 0.764554857984 cubic metres; 1 cubic foot = 0.028316846592 cubic metres.
| Inputs | Answer |
|---|---|
| Unit of all three measurements: Feet; Length: 10; Width: 6; Height or depth: 3 | The volume is 180 cubic feet = 6.667 cubic yards = 5.097 cubic metres. |
| Unit of all three measurements: Inches; Length: 24; Width: 18; Height or depth: 36 | The volume is 9 cubic feet = 0.333 cubic yards = 0.255 cubic metres. |
| Unit of all three measurements: Centimetres; Length: 60; Width: 40; Height or depth: 50 | The volume is 4.238 cubic feet = 0.157 cubic yards = 0.12 cubic metres. |
How to use it
Cubic feet = length × width × height with all three in feet; other units are converted first (1 inch = 0.0254 m, 1 foot = 0.3048 m exactly). It is used for room volume, storage space, refrigerators and shipping.
The calculator also gives cubic yards, cubic metres, litres and US gallons.
Frequently asked questions
How do I calculate cubic feet?
Multiply length × width × height, each in feet.
How do I convert inches to feet?
Divide by 12.
How many litres is a cubic foot?
About 28.3168.
Method: standard arithmetic shown step by step; no outside data is used. Checked 2026-11-12.
Written by Calculators Free Editorial Team · Data checked 2026-11-12
About · How we verify this · Editorial policy · Corrections
About · How we verify this · Editorial policy · Corrections
General information only. Results are plain arithmetic on the numbers you enter; check anything important (money, health, school work) against your own records or the official source.