Litres to Cups Converter
Convert litres to US cups — one litre is 4.227 US cups. Results update as you type; exact factors shown.
One litre is 4.2268 US cups — see the exact factor, not a rounded rule of thumb.
How the litres to cups 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 |
|---|---|---|
| 0.25 L | 1.0567 US cup | litres to US cups |
| 0.5 L | 2.1134 US cup | litres to US cups |
| 0.75 L | 3.1701 US cup | litres to US cups |
| 1 L | 4.2268 US cup | litre to US cups |
| 1.25 L | 5.2834 US cup | litres to US cups |
| 1.5 L | 6.3401 US cup | litres to US cups |
| 2 L | 8.4535 US cup | litres to US cups |
| 2.5 L | 10.5669 US cup | litres to US cups |
| 3 L | 12.6803 US cup | litres to US cups |
| 4 L | 16.907 US cup | litres to US cups |
| 5 L | 21.1338 US cup | litres to US cups |
| 10 L | 42.2675 US cup | litres to US cups |
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 cups in a litre?
4.227 US cups, or 4 metric cups of 250 ml.
Which cup is this?
The US customary cup of 236.6 ml. Australian recipes use a 250 ml metric cup, so an Australian cup is about 5.7% larger.
What is 1 litre in cups?
4.23 US cups.
Why are cup measures unreliable?
Because a cup measures volume, and how much flour fits in one depends on how it was packed. Weighing is far more consistent.
How many cups is 500 ml?
2.11 US cups, or exactly 2 metric cups.
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.