Cubic Feet to Litres Converter
Convert cubic feet to litres — one cubic foot is 28.317 litres. Results update as you type; exact factors shown.
One cubic foot is 28.3168 litres — see the exact factor, not a rounded rule of thumb.
How the cubic feet to litres 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.
Australia is fully metric under the National Measurement Act 1960; imperial units appear only in trade with the US and in older documents.
Common volume conversions
| From | To | Units |
|---|---|---|
| 0.5 ft³ | 14.1584 L | cubic feet to litres |
| 1 ft³ | 28.3168 L | cubic foot to litres |
| 2 ft³ | 56.6337 L | cubic feet to litres |
| 3 ft³ | 84.9505 L | cubic feet to litres |
| 5 ft³ | 141.5842 L | cubic feet to litres |
| 7 ft³ | 198.2179 L | cubic feet to litres |
| 10 ft³ | 283.1685 L | cubic feet to litres |
| 15 ft³ | 424.7527 L | cubic feet to litres |
| 20 ft³ | 566.3369 L | cubic feet to litres |
| 35.3147 ft³ | 1,000.0009 L | cubic feet to litres |
| 50 ft³ | 1,415.8423 L | cubic feet to litres |
| 100 ft³ | 2,831.6847 L | cubic feet to litres |
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 litres in a cubic foot?
28.317 litres.
How big is a 20 cubic foot fridge?
About 566 litres of internal volume.
Why are fridges measured in cubic feet?
A US convention that persists even where the rest of the appliance is metric.
How many cubic feet in a cubic metre?
35.315.
What is 10 cubic feet in litres?
283.2 litres.
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 Measurement Institute (NMI) — Australia's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.