How to convert US fluid ounces to milliliters
1 fl oz (US) = 29.5735295625 mL
1 US fluid ounce = 29.5735295625 mL exactly (1/128 of the 231-cubic-inch US gallon, NIST Handbook 44). An imperial fluid ounce is 28.4130625 mL exactly (UK Weights and Measures Act 1985).
Examples
- 12 fl oz (US) = 354.88235 mL: A US standard drink of regular beer (NIAAA (NIH))
- 1.5 fl oz (US) = 44.360294 mL: A US standard drink of distilled spirits (NIAAA (NIH))
- 3.4 fl oz (US) = 100.55 mL: The TSA carry-on limit per liquid container (TSA)
Oz to ml chart
| US fluid ounces (fl oz (US)) | Milliliters (mL) |
|---|---|
| 1 fl oz (US) | 29.57353 mL |
| 1.5 fl oz (US) | 44.360294 mL |
| 2 fl oz (US) | 59.147059 mL |
| 3 fl oz (US) | 88.720589 mL |
| 3.4 fl oz (US) | 100.55 mL |
| 4 fl oz (US) | 118.29412 mL |
| 5 fl oz (US) | 147.86765 mL |
| 10 fl oz (US) | 295.7353 mL |
| 12 fl oz (US) | 354.88235 mL |
| 15 fl oz (US) | 443.60294 mL |
| 20 fl oz (US) | 591.47059 mL |
| 25 fl oz (US) | 739.33824 mL |
| 50 fl oz (US) | 1,478.6765 mL |
| 75 fl oz (US) | 2,218.0147 mL |
| 100 fl oz (US) | 2,957.353 mL |
Common mistakes
- An "oz" on a food scale is a weight ounce (about 28.35 g), not a fluid ounce. Check for "fl oz" on liquid labels.
- Imperial and US fluid ounces differ, and an imperial pint holds 20 of them against 16 in a US pint.