How to convert litres to US fluid ounces
One litre equals 33.814 US fluid ounces, so multiply the number of litres by 33.814:
US fl oz = L × 33.814
L = US fl oz ÷ 33.814 (1 US fl oz = 0.029574 L)
Example: 0.33 L → 0.33 × 33.814 = 11.1586 US fl oz.
Going the other way, divide by 33.814, or multiply by 0.029574; the US fluid ounces to litres converter does it for you.
Everyday values
| Litres | US fluid ounces | For example |
|---|---|---|
| 0.33 L | 11.1586 US fl oz | a European soda can |
| 0.5 L | 16.907 US fl oz | a water bottle |
| 1 L | 33.814 US fl oz | one litre |
| 1.5 L | 50.721 US fl oz | a large bottle |
| 2 L | 67.628 US fl oz | a two-litre bottle |
When you need this conversion
One litre is 33.81 US fluid ounces. A 500 ml bottle holds 16.9 fl oz, which is why US water bottles are often labelled "16.9 fl oz".
Litre to US fluid ounce conversion table
| L | US fl oz | L | US fl oz |
|---|---|---|---|
| 0.25 L | 8.4535 US fl oz | 2.75 L | 92.9886 US fl oz |
| 0.5 L | 16.907 US fl oz | 3 L | 101.442 US fl oz |
| 0.75 L | 25.3605 US fl oz | 3.25 L | 109.896 US fl oz |
| 1 L | 33.814 US fl oz | 3.5 L | 118.349 US fl oz |
| 1.25 L | 42.2675 US fl oz | 3.75 L | 126.803 US fl oz |
| 1.5 L | 50.721 US fl oz | 4 L | 135.256 US fl oz |
| 1.75 L | 59.1745 US fl oz | 4.25 L | 143.71 US fl oz |
| 2 L | 67.628 US fl oz | 4.5 L | 152.163 US fl oz |
| 2.25 L | 76.0816 US fl oz | 4.75 L | 160.617 US fl oz |
| 2.5 L | 84.5351 US fl oz | 5 L | 169.07 US fl oz |
About the units
- Litre (L): one cubic decimetre (1,000 cm³).
- US fluid ounce (US fl oz): 1/128 of a US gallon, about 29.57 millilitres.
Both are units of volume. The conversion factor comes from the exact definitions above, so the calculator is exact; results are only rounded for display (up to six significant digits).
Frequently asked questions
How many US fluid ounces are in one litre?
One litre is 33.814 US fluid ounces. One US fluid ounce is 0.029574 litres.
How do I convert litres to US fluid ounces?
Multiply the value in litres by 33.814. To go back, divide by 33.814.
What is 0.33 L in US fluid ounces?
0.33 L = 11.1586 US fl oz.
What is 0.5 L in US fluid ounces?
0.5 L = 16.907 US fl oz.
Sources
- NIST Special Publication 811 (2008), Guide for the Use of the International System of Units (SI), Appendix B: conversion factors.
- NIST Handbook 44 (2024), Appendix C: General tables of units of measurement.
Last reviewed 5 October 2026. Results are estimates; see our disclaimer.