Unit-To-Unit Fluid conversion

Millilitres to US Fluid Ounces

1 millilitre = 0.033814023 US fluid ounces

European bottle sizes converted to US fluid ounces produce the odd figures on import labels — 750 mL of wine is 25.4 fl oz.

Formula fl oz = mL × 0.033814022702

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Type in either field — the other updates on every keystroke. Need other units? Open the full fluid converter.

Millilitres to US Fluid Ounces — quick reference
MillilitreUS fluid ounce
1 mL0.033814 fl oz
2 mL0.067628 fl oz
3 mL0.101442 fl oz
4 mL0.135256 fl oz
5 mL0.16907 fl oz
10 mL0.33814 fl oz
15 mL0.50721 fl oz
20 mL0.67628 fl oz
25 mL0.845351 fl oz
50 mL1.690701 fl oz
100 mL3.381402 fl oz
500 mL16.907011 fl oz
1000 mL33.814023 fl oz
US Fluid Ounces to Millilitres — reverse
US fluid ounceMillilitre
1 fl oz29.57353 mL
2 fl oz59.147059 mL
3 fl oz88.720589 mL
4 fl oz118.294118 mL
5 fl oz147.867648 mL
10 fl oz295.735296 mL
15 fl oz443.602943 mL
20 fl oz591.470591 mL
25 fl oz739.338239 mL
50 fl oz1478.676478 mL
100 fl oz2957.352956 mL
500 fl oz14786.764781 mL
1000 fl oz29573.529562 mL

Worked examples

Common values
SituationFromTo
A spoonful30 mL1.014 fl oz
Travel bottle100 mL3.381 fl oz
Cup250 mL8.454 fl oz
Can330 mL11.16 fl oz
Bottle500 mL16.91 fl oz
A litre1,000 mL33.81 fl oz

Mental-math shortcut

Divide by 30, which reads about 1.4% low. 250 mL is about 8.3 oz, against an exact 8.45.

Where this conversion comes up

Cans and bottles abroad are labelled in millilitres, while US labels use fluid ounces. A 330 mL can is 11.16 fl oz and a 500 mL bottle is 16.91 fl oz.

Common mistakes

Do not divide by 28.35, which is for weight ounces. A fluid ounce is 29.57 mL.

Background

One US fluid ounce is 29.5735295625 mL, so a millilitre is 0.033814 fl oz.

Learn more

Related guides: Imperial vs metric: differences and quick conversion tricks · US cups to grams: flour, sugar, butter and more · How to scale a recipe up or down: the maths and the science · Top 20 liquid ingredients in cooking and how to measure them · US vs UK weights and measures: gallons, pints and tons

Frequently asked

How many US fluid ounces are in a millilitre?
1 millilitre = 0.033814023 US fluid ounces. In the other direction, 1 US fluid ounce = 29.573529562 millilitres.
What is a millilitre?
A millilitre is one thousandth of a litre and exactly one cubic centimetre. Medicine doses and recipe liquids are typically given in millilitres.
What is a US fluid ounce?
A US fluid ounce is 1/128 of a US gallon, or 29.5735295625 millilitres — slightly larger than the Imperial fluid ounce.
How many fluid ounces is 100 mL?
100 mL is 3.38 US fl oz, close to the 3.4 oz carry-on limit.

Related fluid conversions

US Gallons to Litres Litres to US Gallons US Fluid Ounces to Millilitres US Cups to Millilitres US Pints to Millilitres US Quarts to Litres Imperial Gallons to Litres