Cubic Feet to Cubic Metres Converter
Convert cubic feet to cubic metres — 35.315 cubic feet make one cubic metre. Results update as you type; exact factors shown.
One cubic foot is 0.0283 cubic metres — see the exact factor, not a rounded rule of thumb.
How the cubic feet to cubic metres converter works
Volumes convert through the litre (exactly 1 dm³). The US gallon is exactly 3.785411784 L (231 cubic inches); the imperial gallon is exactly 4.54609 L. A US fluid ounce is 29.5735 mL, an imperial fluid ounce 28.4131 mL; a US pint is 16 US fl oz, an imperial pint 20 imperial fl oz.
The UK is metric for most trade and science but keeps miles, pints, stone and mpg (with the imperial gallon) in daily life.
Common volume conversions
| From | To | Units |
|---|---|---|
| 1 ft³ | 0.0283 m³ | cubic foot to cubic metres |
| 5 ft³ | 0.1416 m³ | cubic feet to cubic metres |
| 10 ft³ | 0.2832 m³ | cubic feet to cubic metres |
| 25 ft³ | 0.7079 m³ | cubic feet to cubic metres |
| 35.3147 ft³ | 1 m³ | cubic feet to cubic metres |
| 50 ft³ | 1.4158 m³ | cubic feet to cubic metres |
| 100 ft³ | 2.8317 m³ | cubic feet to cubic metres |
| 200 ft³ | 5.6634 m³ | cubic feet to cubic metres |
| 500 ft³ | 14.1584 m³ | cubic feet to cubic metres |
| 1,000 ft³ | 28.3168 m³ | cubic feet to cubic metres |
| 1,170 ft³ | 33.1307 m³ | cubic feet to cubic metres |
| 2,000 ft³ | 56.6337 m³ | cubic feet to cubic metres |
Units in this converter and their exact factors
| Unit | Symbol | One unit in litres |
|---|---|---|
| millilitre | mL | 0.001 litre |
| litre | L | 1 litre |
| cubic metre | m³ | 1,000 litre |
| teaspoon (metric) | tsp | 0.005 litre |
| tablespoon (metric) | tbsp | 0.015 litre |
| cup (metric) | cup | 0.25 litre |
| US fluid ounce | US fl oz | 0.0295735296 litre |
| US cup | US cup | 0.2365882365 litre |
| US pint | US pt | 0.473176473 litre |
| US gallon | US gal | 3.785411784 litre |
| imperial fluid ounce | imp fl oz | 0.0284130625 litre |
| imperial pint | imp pt | 0.56826125 litre |
| imperial gallon | imp gal | 4.54609 litre |
| cubic foot | ft³ | 28.316846592 litre |
FAQFrequently asked questions about volume conversion
How many cubic metres is 100 cubic feet?
2.832 m³.
Why divide by 35.3?
Because the conversion is cubed — a foot is 0.3048 m, and 0.3048³ is 0.0283.
What is a cubic foot in litres?
28.317 litres.
Where is cubic feet still used?
US construction, appliance capacity (fridges and freezers), and natural gas metering.
How do I work out a volume in cubic feet?
Multiply length, width and height, all in feet — mixing units is the usual source of error.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Physical Laboratory (NPL) — United Kingdom's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.