How it's calculated
mL = fl oz × 29.5735
fl oz = US fluid ounces, mL = millilitres. 1 US fl oz = 29.5735 mL (UK/imperial: 28.4131 mL).
Common values
| Fluid ounces | US (mL) | Imperial (mL) |
|---|---|---|
| 1 | 29.57 | 28.41 |
| 2 | 59.15 | 56.83 |
| 4 | 118.29 | 113.65 |
| 8 | 236.59 | 227.30 |
Common questions
What is the difference between a US and UK fluid ounce?
A US fluid ounce is about 29.57 mL, while a UK Imperial fluid ounce is about 28.41 mL. The UK ounce is slightly smaller.
How many mL in a US fluid ounce?
29.5735 mL, which most people round to 30 mL for everyday use.