Oz to ML Converter
Convert US fluid ounces (fl oz) to milliliters (ml) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
oz to ml formula
ml = fl oz × 29.5735295625
1 US fluid ounce = 29.57 milliliters · 1 milliliter = 0.0338 US fluid ounces
To convert US fluid ounces to milliliters, multiply the value by 29.5735295625. For example, 8 fl oz:
ml = 8 × 29.5735295625ml = 236.588237
So 8 fl oz = 236.59 ml.
Mental math shortcut
Quick mental estimate: multiply by 30. For 8 fl oz that gives about 240 ml — off by 3.41 ml (1.4%). Use the exact formula when precision matters.
oz to ml conversion table
ml back to oz
The same values converted the other way, rounded for everyday use:
| Milliliters | US fluid ounces |
|---|---|
| 14.79 ml | 0.5001 fl oz |
| 29.57 ml | 0.9999 fl oz |
| 59.15 ml | 2 fl oz |
| 118.29 ml | 4 fl oz |
| 177.44 ml | 6 fl oz |
| 236.59 ml | 8 fl oz |
| 354.88 ml | 12 fl oz |
| 473.18 ml | 16 fl oz |
About the units
US fluid ounces (fl oz)
A US fluid ounce is 1/128 of a US gallon, about 29.57 ml. (A UK imperial fluid ounce is slightly smaller, 28.41 ml.)
Milliliters (ml)
A milliliter is one thousandth of a liter, equal to one cubic centimeter. It is used for drinks, medicine doses and cooking.
Frequently asked questions
How many milliliters are in a US fluid ounce?
One US fluid ounce equals 29.57 milliliters.
What is 8 oz in ml?
8 fl oz = 236.59 ml.
How do I convert ml back to oz?
Divide the milliliters by 29.5735295625. Or use the ML to Oz converter.