Litres to Fluid Ounces Converter
Convert litres to US fluid ounces — 33.814 fl oz to the litre. Results update as you type; exact factors shown.
One litre is 33.814 US fluid ounces — see the exact factor, not a rounded rule of thumb.
How the litres to fluid ounces 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 |
|---|---|---|
| 0.1 L | 3.3814 US fl oz | litres to US fluid ounces |
| 0.25 L | 8.4535 US fl oz | litres to US fluid ounces |
| 0.33 L | 11.1586 US fl oz | litres to US fluid ounces |
| 0.5 L | 16.907 US fl oz | litres to US fluid ounces |
| 0.75 L | 25.3605 US fl oz | litres to US fluid ounces |
| 1 L | 33.814 US fl oz | litre to US fluid ounces |
| 1.5 L | 50.721 US fl oz | litres to US fluid ounces |
| 2 L | 67.628 US fl oz | litres to US fluid ounces |
| 2.5 L | 84.5351 US fl oz | litres to US fluid ounces |
| 3 L | 101.4421 US fl oz | litres to US fluid ounces |
| 5 L | 169.0701 US fl oz | litres to US fluid ounces |
| 10 L | 338.1402 US fl oz | litres to US fluid ounces |
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 fluid ounces in a litre?
33.814 US fl oz, or 35.195 imperial.
What is 500 mL in fluid ounces?
16.9 US fl oz — the standard water bottle.
Are US and UK fluid ounces different?
Yes. A US fl oz is 29.574 mL and an imperial one 28.413 mL — about 4% apart.
Is a fluid ounce a weight?
No, it is a volume. Only for water do the two roughly coincide.
How many fl oz in a 2 litre bottle?
67.6 US fl oz.
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.