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Milliliters to US fluid ounces

1 milliliter = 0.033814 US fluid ounces

Type a value in milliliters (mL) to get US fluid ounces (fl oz) straight away. A milliliter is smaller than a US fluid ounce, so the number goes down. Both units belong to volume, measured here against the liter.

1 mL = 0.033814023 fl oz

Formula

fl oz = mL × 0.033814023

One milliliter is 0.033814023 US fluid ounces, so multiply by that factor. You can also divide by 29.5735, the number of milliliters in one US fluid ounce. Here mL is the value in milliliters and fl oz is the result in US fluid ounces.

Worked example: 500 milliliters × 0.033814023 = 16.907 US fluid ounces.

Milliliters to US fluid ounces table

milliliters (mL)US fluid ounces (fl oz)
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
6 mL0.202884 fl oz
7 mL0.236698 fl oz
8 mL0.270512 fl oz
9 mL0.304326 fl oz
10 mL0.33814 fl oz
15 mL0.50721 fl oz
20 mL0.67628 fl oz
25 mL0.845351 fl oz
30 mL1.01442 fl oz
40 mL1.35256 fl oz
50 mL1.6907 fl oz
60 mL2.02884 fl oz
75 mL2.53605 fl oz
100 mL3.3814 fl oz

Everyday milliliters in US fluid ounces

What it ismLfl oz
a medicine teaspoon5 mL0.16907 fl oz
a tablespoon (about)15 mL0.50721 fl oz
a metric cup250 mL8.45351 fl oz
a soft-drink can330 mL11.1586 fl oz
a water bottle500 mL16.907 fl oz

Quick estimate in your head

Multiply by about 0.034. For 500 mL that gives 17 fl oz against an exact 16.907 fl oz, an error of 0.6%.

Watch out for

  • Fluid ounces measure volume and ounces measure weight. 8 fl oz of water weighs about 8.3 oz, but 8 fl oz of flour does not.

About the units

Milliliter (mL). One thousandth of a liter, the same as one cubic centimeter. Used for drinks and medicine.

US fluid ounce (fl oz). 1/128 of a US gallon, about 29.57 mL. Used on drink cans and bottles in the US.

Going the other way, 1 US fluid ounce is 29.5735 milliliters.

Questions

How many US fluid ounces are in 1 milliliter?

1 milliliter is 0.033814 US fluid ounces, and 1 US fluid ounce is 29.5735 milliliters.

How do I convert milliliters to US fluid ounces?

Use fl oz = mL × 0.033814023. For example, 500 milliliters × 0.033814023 = 16.907 US fluid ounces.

Are US and UK measures the same?

No. This page uses US customary units. A UK gallon is 4.546 L against 3.785 L in the US, and a UK pint is 568 mL against 473 mL.

How much is a water bottle in US fluid ounces?

500 mL is 16.907 fl oz.

Source for the conversion factor: NIST Handbook 44, Appendix C (units of volume).

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