Milliliters to Fluid Ounces Converter

1 milliliter = 0.033814 fluid ounces About 0.0338 fluid ounces.

There are 0.033814 fluid ounces in one milliliter. To convert milliliters to fluid ounces, multiply by 0.033814.

Swap units

Type a value to convert it instantly.

How to Convert Milliliters to Fluid Ounces

To convert milliliters to fluid ounces, multiply by 0.033814. For an exact result, divide by 29.5735295625 instead.

For example: 5 milliliters × 0.033814 = 0.16907 fluid ounces.

Where This Comes Up

Imported drinks, cosmetics, travel-size containers and metric medicine bottles are labeled in milliliters. American carry-on rules, recipes and bar measures all want fluid ounces.

A 750-milliliter wine bottle holds 25.3605 fluid ounces, which is just over five 5-ounce pours.

What People Get Wrong

The TSA 100 mL liquid limit is 3.38141 fl oz, which is why the rule is advertised as 3.4 ounces. A bottle labeled 3.5 fl oz is over the limit.

Milliliters to Fluid Ounces Conversion Table

Milliliters converted to fluid ounces. Values are exact where the definition is exact, otherwise rounded to six significant digits.
Milliliters (mL) Fluid ounces (fl oz)
1 0.033814
2 0.067628
3 0.101442
4 0.135256
5 0.16907
6 0.202884
7 0.236698
8 0.270512
9 0.304326
10 0.33814
11 0.371954
12 0.405768
13 0.439582
14 0.473396
15 0.50721
16 0.541024
17 0.574838
18 0.608652
19 0.642466
20 0.67628
25 0.845351
30 1.01442
40 1.35256
50 1.6907
75 2.53605
100 3.3814
250 8.45351
500 16.907
1,000 33.814

About These Units

The milliliter

A milliliter is one thousandth of a liter and is exactly the same volume as one cubic centimeter. It is the standard unit in metric recipes and on medicine labels.

The fluid ounce

A US fluid ounce is exactly 29.5735295625 milliliters and measures volume, not weight. The UK imperial fluid ounce is slightly smaller at 28.41 milliliters.

Definitions follow NIST Handbook 44, Appendix C. See how we calculate for the exact values and rounding rules.

Frequently Asked Questions

How many fl oz is 100 mL?

100 milliliters is 3.38141 US fluid ounces.

How many fl oz is 500 mL?

500 milliliters is 16.907 US fluid ounces, slightly more than a 16-ounce pint glass holds.

How many mL is 1 liter in fluid ounces?

One liter is 33.814 US fluid ounces.

Why do UK and US fluid ounces differ?

The UK redefined its gallon in 1824 around ten pounds of water, while the US kept the older wine gallon. The two fluid ounces have been different ever since.

Last updated . Checked against the exact definitions on our how we calculate page.