Volume conversion

Milliliter to US Fluid Ounce

1 mL =0.03381402fl oz

0.03381402
1 mL =0.03381402 fl oz
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About Milliliter to US Fluid Ounce

Milliliters to US fluid ounces is one of the most-searched cooking and recipe conversions. With about 29.57 milliliters per US fluid ounce, the conversion is essential when scaling metric recipes for American kitchens or reading metric bottle sizes.

Formula

To convert milliliters to US fluid ounces, multiply the value in milliliters by 0.0338140227. Fluid Ounces = Milliliters × 0.0338140227.

Worked example

For example, 250 mL × 0.0338 = 8.45 fl oz. A 250-milliliter cup of water is about 8.45 US fluid ounces.

Milliliter to US Fluid Ounce table

Milliliter (mL)US Fluid Ounce (fl oz)
10.03381402
150.50721034
301.01442068
501.69070114
1003.38140227
1505.07210341
2508.45350568
33011.15862749
50016.90701135
1,00033.8140227

Common use cases

  • 01Converting metric recipe quantities to US fluid ounces
  • 02Reading metric beverage and bottle labels
  • 03Bartending and cocktail measurements
  • 04Medicine and supplement dosing

A bit of history

The US fluid ounce is defined as 1/128 of a US gallon and equals exactly 29.5735295625 mL. The milliliter is one-thousandth of a liter, used worldwide for small volumes.

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Frequently asked questions

How many US fl oz in a ml?+

1 milliliter equals about 0.0338 US fluid ounces.

How many US fl oz in 100 ml?+

100 milliliters equals about 3.38 US fluid ounces.

How many US fl oz in 250 ml?+

250 milliliters equals about 8.45 US fluid ounces.

Is a US fl oz the same as a UK fl oz?+

No — the UK (imperial) fluid ounce is about 28.41 mL, slightly smaller than the US fluid ounce of 29.57 mL.

Need the reverse?

Convert US Fluid Ounce to Milliliter