Cubic Metres to Litres Converter
Convert cubic metres to litres — a thousand litres to the cubic metre. Results update as you type; exact factors shown.
One cubic metre is 1,000 litres — see the exact factor, not a rounded rule of thumb.
How the cubic metres 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 |
|---|---|---|
| 0.001 m³ | 1 L | cubic metres to litres |
| 0.01 m³ | 10 L | cubic metres to litres |
| 0.1 m³ | 100 L | cubic metres to litres |
| 0.25 m³ | 250 L | cubic metres to litres |
| 0.5 m³ | 500 L | cubic metres to litres |
| 1 m³ | 1,000 L | cubic metre to litres |
| 2 m³ | 2,000 L | cubic metres to litres |
| 5 m³ | 5,000 L | cubic metres to litres |
| 10 m³ | 10,000 L | cubic metres to litres |
| 20 m³ | 20,000 L | cubic metres to litres |
| 50 m³ | 50,000 L | cubic metres to litres |
| 100 m³ | 100,000 L | cubic metres 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 metre?
Exactly a thousand.
How heavy is a cubic metre of water?
One tonne — the metric system was designed that way.
How much is a cubic metre?
A cube one metre on each side; a large bathtub is about a fifth of one.
Why are water bills in cubic metres?
Because household use is thousands of litres, so the larger unit keeps the numbers readable.
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.