Fluid Ounces to Milliliters Converter
Convert US fluid ounces (fl oz) to milliliters (mL). One US fluid ounce equals 29.5735 milliliters, so multiply a value in US fluid ounces by 29.5735 to get milliliters.
Formula: multiply the source value by 29.57352956
Quick Conversions
About this tool
A US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 milliliters. A milliliter is one thousandth of a liter, the same volume as one cubic centimeter. Because 1 US fluid ounce is 0.0295735296 liters and 1 milliliter is 0.001 liters, the factor is their ratio, 29.5735295625.
How to use it
- Type a value in US fluid ounces in the first field. The unit menus start on fl oz → mL.
- Read the result in milliliters. It updates as you type; use Precision to choose how many decimals are shown.
- Press the swap button, or open the Milliliters to Fluid Ounces converter, to convert milliliters back to US fluid ounces.
mL = fl oz × 29.5735295625
fl oz = mL ÷ 29.5735295625
Examples
1 fl oz to mL
1 fl oz × 29.5735 = 29.5735 mL.
8 fl oz to mL (a US cup)
8 fl oz × 29.5735 = 236.588 mL.
12 fl oz to mL (a standard US can)
12 fl oz × 29.5735 = 354.882 mL.
US fluid ounces to milliliters conversion table
| US fluid ounces (fl oz) | Milliliters (mL) |
|---|---|
| 1 | 29.5735 |
| 2 | 59.1471 |
| 3 | 88.7206 |
| 4 | 118.294 |
| 5 | 147.868 |
| 10 | 295.735 |
| 15 | 443.603 |
| 20 | 591.471 |
| 25 | 739.338 |
| 50 | 1,478.68 |
| 100 | 2,957.35 |
| 250 | 7,393.38 |
| 500 | 14,786.8 |
| 1,000 | 29,573.5 |
Milliliters to US fluid ounces (reverse)
| Milliliters (mL) | US fluid ounces (fl oz) |
|---|---|
| 1 | 0.033814 |
| 5 | 0.16907 |
| 10 | 0.33814 |
| 50 | 1.6907 |
| 100 | 3.3814 |
FAQ
How many milliliters are in one US fluid ounce?
One US fluid ounce is 29.5735 milliliters. The unrounded factor is 29.5735295625.
How do I convert milliliters back to US fluid ounces?
Divide by 29.5735, or multiply by 0.033814. For example, 10 mL is 0.33814 fl oz.
How many milliliters are in a cup?
A US customary cup is 8 US fl oz, about 236.59 mL. US nutrition labels round one cup to 240 mL.
Is the conversion exact?
Yes, before rounding. The US gallon is defined as exactly 231 cubic inches (3.785411784 L), and the quart, pint, cup, and fluid ounce are exact fractions of it.

