Convert fluid ounces to milliliters
1 fluid ounce equals 29.5735 milliliters. Type any number below — the other side updates instantly.
Fluid ounces to milliliters — quick reference
| fluid ounces | milliliters |
|---|---|
| 0.5 fl oz | 14.7867 ml |
| 1 fl oz | 29.5735 ml |
| 2 fl oz | 59.147 ml |
| 4 fl oz | 118.294 ml |
| 6 fl oz | 177.441 ml |
| 8 fl oz | 236.588 ml |
| 12 fl oz | 354.882 ml |
| 16 fl oz | 473.176 ml |
| 20 fl oz | 591.47 ml |
| 24 fl oz | 709.764 ml |
| 32 fl oz | 946.352 ml |
| 40 fl oz | 1182.94 ml |
| 48 fl oz | 1419.528 ml |
| 64 fl oz | 1892.704 ml |
| 80 fl oz | 2365.88 ml |
| 100 fl oz | 2957.35 ml |
How to convert
Multiply the number of fluid ounces by 29.5735 to get milliliters. To go the other way, multiply milliliters by 0.033814 to get fluid ounces. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Fluid ounces
- Definition
- A US fluid ounce (symbol: fl oz) equals about 29.57 ml. There are 16 fl oz in a US pint and 128 in a US gallon.
- History
- The US fluid ounce was set by Congress in 1832. The Imperial fluid ounce (used in the UK) is slightly different at about 28.41 ml.
- Current use
- Used in the US for liquid measurements — beverages, recipes, cosmetics — and shown on most US food and drink labels.
Milliliters
- Definition
- A milliliter (symbol: ml) is one-thousandth of a liter, equal to one cubic centimeter (cc). About 30 ml fits in a US fluid ounce.
- History
- Defined alongside the liter in 1795. The relationship 1 ml = 1 cm³ has held since the 1964 redefinition of the liter.
- Current use
- Standard volume unit for medicine, cooking, beverages, and chemistry worldwide outside the United States.
Frequently asked
- How many milliliters are in 1 fluid ounce?
- 1 fluid ounce = 29.5735 milliliters.
- How do you convert fluid ounces to milliliters?
- Multiply the number of fluid ounces by 29.5735 to get milliliters. To go the other way, multiply milliliters by 0.033814 to get fluid ounces. The conversion factor is fixed and exact, so you can use this on any value.
- What is 20 fluid ounces in milliliters?
- 20 fluid ounces = 591.47 milliliters.
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