Liters to Fluid Ounces Converter

About the l to fl oz calculation

One liter is exactly 33.814 fluid ounces, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The metric volume standard — one litre is exactly 1,000 cm³. The US fluid ounce. Measures volume, not weight — quite separate from the ounce.

Formula

fl oz = L × 33.814

1 L = 33.814 fl oz
1 fl oz = 0.029574 L

Worked example

To convert 2 L, multiply by 33.814: 2 × 33.814 = 67.628 fl oz.

Frequently asked questions

How many fluid ounces are in a liter?

There are 33.814 fluid ounces in one liter. To convert any amount, multiply the number of liters by 33.814.

How do I convert fluid ounces back to liters?

Divide instead of multiplying, or equivalently multiply by 0.029574. One fluid ounce is 0.029574 liters.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between liters and fluid ounces is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.

Where is each of these units used?

Liters: the metric volume standard — one litre is exactly 1,000 cm³. Fluid Ounces: the US fluid ounce. Measures volume, not weight — quite separate from the ounce.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units