US fluid ounces to Milliliters Formula
milliliters = US fluid ounces ÷ 0.0338140227
One milliliter is 0.0338140227 US fluid ounces. For example, 8 US fl oz ÷ 0.0338140227 = 236.588237 ml.
Fluid Ounces to Milliliters (fl oz to ml) Converter
Enter US fluid ounces to get milliliters.
1 US fl oz = 29.5735295625 ml exactly
From
To
29.5735295625
Try:
Step-by-stepUS fl oz → ml
11 ml = 0.0338140227 US fl ozformula
21 ÷ 0.0338140227substitute
329.5735295625 mlresult
Drink and Bottle Sizes
| Container | US fl oz | Milliliters |
|---|---|---|
| Soda can | 12 fl oz | 355 ml |
| Bottled water | 16.9 fl oz | 500 ml |
| Soda bottle | 20 fl oz | 591 ml |
| Baby bottle (small) | 4 fl oz | 118 ml |
| Baby bottle (large) | 8 fl oz | 237 ml |
The odd 16.9 fl oz bottle is really a 500 ml bottle labeled in US units.
Fluid Ounces Are Not Ounces
A fluid ounce measures volume. An ounce measures weight. One US fluid ounce of water weighs about 1.04 ounces, so the two are close for water but not for oil, honey or flour.
The UK fluid ounce is a different size too: 28.41 ml, about 4% smaller than the US one.
US fluid ounces to Milliliters Table
| US fluid ounces (US fl oz) | Milliliters (ml) |
|---|---|
| 0.5 US fl oz | 14.7868 ml |
| 1 US fl oz | 29.5735 ml |
| 2 US fl oz | 59.1471 ml |
| 3 US fl oz | 88.7206 ml |
| 4 US fl oz | 118.2941 ml |
| 5 US fl oz | 147.8676 ml |
| 6 US fl oz | 177.4412 ml |
| 8 US fl oz | 236.5882 ml |
| 10 US fl oz | 295.7353 ml |
| 12 US fl oz | 354.8824 ml |
| 16 US fl oz | 473.1765 ml |
| 16.9 US fl oz | 499.7926 ml |
| 20 US fl oz | 591.4706 ml |
| 24 US fl oz | 709.7647 ml |
| 32 US fl oz | 946.3529 ml |
| 64 US fl oz | 1,892.7059 ml |
Common Questions
How many ml is 1 fl oz?
1 US fluid ounce is 29.57 ml. 1 UK fluid ounce is 28.41 ml.
How many ml is 8 oz?
8 US fluid ounces is 236.6 ml, one US cup.
Is a fluid ounce the same as an ounce?
No. A fluid ounce is volume and an ounce is weight. They only roughly match for water.
Is 30 ml one ounce?
Roughly. Medicine cups often mark 30 ml as 1 fl oz, but the exact US figure is 29.57 ml.
Related Volume Converters
Milliliters to US fluid ounces→Milliliters to Liters→Liters to Milliliters→US cups to Milliliters→Milliliters to US cups→US fluid ounces to US cups→All Volume Converters→
Reference: NIST Handbook 44, Appendix C: General Tables of Units of Measurement (US units); UK Weights and Measures Act 1985 (imperial units).