How to convert us fluid ounces to milliliters
Apply the documented us fluid ounces-to-milliliters relationship below, keeping the full stored constant until the displayed result is rounded.
US Fluid Ounces × 29.57352956 = Milliliters
For example, 10 fl oz equals 295.7352956 mL.
US Fluid Ounces to Milliliters reference table
| US Fluid Ounces | Milliliters |
|---|---|
| 1 fl oz | 29.57352956 mL |
| 5 fl oz | 147.8676478 mL |
| 10 fl oz | 295.7352956 mL |
| 25 fl oz | 739.338239 mL |
| 50 fl oz | 1,478.676478 mL |
| 100 fl oz | 2,957.352956 mL |
Method and quality checks
- Calculation
- US Fluid Ounces × 29.57352956 = Milliliters. The calculator keeps the stored factor through the operation and rounds only the displayed result to the selected or page-supported precision.
- Unit convention
- US customary liquid measures are used when a unit name has a regional variant. Imperial and metric recipe units can produce different answers.
- Input validation
- Finite numeric inputs are accepted. Results outside the supported numeric range are rejected instead of being displayed as valid measurements.
- Reasonableness check
- 10 fl oz produces 295.7352956 mL. Check the direction and approximate scale before relying on a more precise displayed value.
Deeper method: Kitchen measurement essentials.
US fluid ounces measure volume
A US fluid ounce is a volume unit equal to approximately 29.5735 milliliters. It is different from an avoirdupois ounce of mass and from an imperial fluid ounce.
- Look for fl oz when the label describes volume.
- Confirm US versus imperial units on imported recipes and products.
- Medicine dosing should follow the supplied calibrated device and professional instructions.
Reference: NIST volume conversion factors.