Fluid Ounces to Milliliters
( fl oz → mL )
Instantly convert US fluid ounces to milliliters. Enter any value below and get an accurate result with the full formula and reference table.
How to Convert Fluid Ounces to Milliliters
To convert US fluid ounces to milliliters, multiply the number of fluid ounces by 29.5735. This factor comes from the definition of a fluid ounce in the US customary system.
Step-by-Step Example
Let’s convert 8 fluid ounces (a standard cup) to milliliters:
1. Multiply by 29.5735: 8 × 29.5735 = 236.588
2. So 8 fl oz equals approximately 236.59 mL.
For a smaller amount, 0.5 fl oz × 29.5735 = 14.7868 mL (about 1 tablespoon).
When You’d Use Each Unit
Fluid ounces are commonly used in the US for measuring liquids like milk, water, or juice in recipes and beverage serving sizes. Milliliters are the standard metric unit for volume and are used worldwide in cooking, medicine, and science. Converting between them is essential for following recipes from different countries and for accurate measurements.
Common fluid ounces values converted to milliliters — typical values highlighted.
| Fluid Ounces (fl oz) | Milliliters (mL) | Approximate |
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