US fluid ounces to milliliters
1 US fluid ounce = 29.5735 milliliters
Type a value in US fluid ounces (fl oz) to get milliliters (mL) straight away. A US fluid ounce is larger than a milliliter, so the number goes up. Both units belong to volume, measured here against the liter.
1 fl oz = 29.57353 mL
Formula
mL = fl oz × 29.57353
One US fluid ounce is 29.57353 milliliters, so multiply the US fluid ounce value by that factor. Here fl oz is the value in US fluid ounces and mL is the result in milliliters.
Worked example: 8 US fluid ounces × 29.57353 = 236.588 milliliters.
US fluid ounces to milliliters table
| US fluid ounces (fl oz) | milliliters (mL) |
|---|---|
| 1 fl oz | 29.5735 mL |
| 2 fl oz | 59.1471 mL |
| 3 fl oz | 88.7206 mL |
| 4 fl oz | 118.294 mL |
| 5 fl oz | 147.868 mL |
| 6 fl oz | 177.441 mL |
| 7 fl oz | 207.015 mL |
| 8 fl oz | 236.588 mL |
| 9 fl oz | 266.162 mL |
| 10 fl oz | 295.735 mL |
| 15 fl oz | 443.603 mL |
| 20 fl oz | 591.471 mL |
| 25 fl oz | 739.338 mL |
| 30 fl oz | 887.206 mL |
| 40 fl oz | 1,182.94 mL |
| 50 fl oz | 1,478.68 mL |
| 60 fl oz | 1,774.41 mL |
| 75 fl oz | 2,218.01 mL |
| 100 fl oz | 2,957.35 mL |
Everyday US fluid ounces in milliliters
| What it is | fl oz | mL |
|---|---|---|
| a shot glass (about) | 1 fl oz | 29.5735 mL |
| one cup | 8 fl oz | 236.588 mL |
| a soda can | 12 fl oz | 354.882 mL |
| a pint bottle | 16 fl oz | 473.176 mL |
| the carry-on liquids limit (100 mL) | 3.4 fl oz | 100.55 mL |
Quick estimate in your head
Multiply by about 30. For 8 fl oz that gives 240 mL against an exact 236.588 mL, an error of 1.4%.
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
US fluid ounce (fl oz). 1/128 of a US gallon, about 29.57 mL. Used on drink cans and bottles in the US.
Milliliter (mL). One thousandth of a liter, the same as one cubic centimeter. Used for drinks and medicine.
Going the other way, 1 milliliter is 0.033814 US fluid ounces.
Questions
How many milliliters are in 1 US fluid ounce?
1 US fluid ounce is 29.5735 milliliters, and 1 milliliter is 0.033814 US fluid ounces.
How do I convert US fluid ounces to milliliters?
Use mL = fl oz × 29.57353. For example, 8 US fluid ounces × 29.57353 = 236.588 milliliters.
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 the carry-on liquids limit (100 mL) in milliliters?
3.4 fl oz is 100.55 mL.
Source for the conversion factor: NIST Handbook 44, Appendix C (units of volume).
Related conversions
- milliliters to US fluid ounces
- milliliters to US cups
- US cups to milliliters
- liters to milliliters
- milliliters to liters
- cubic inches to milliliters