Converters
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US fluid ounces to Milliliters Converter
Convert us fluid ounces to milliliters instantly with the formula, worked examples, rounding guidance, and related volume conversions.
Units
85
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Pair-specific conversion guide
US fluid ounce to Milliliter formula
Converting US fluid ounces to milliliters is common in cooking and science. One US fluid ounce equals exactly 29.5735295625 milliliters. This precise conversion helps when following recipes or measuring liquids with different unit systems. Use the factor 29.5735 for quick approximations or the exact value for accuracy.
Formula model
1 fl oz = 29.5735295625 mL
1 US fluid ounce equals
Quick factor: 1 fl oz = 29.5735295625 mL.
For quick estimates, multiply fluid ounces by 30 to get approximate milliliters.
Use the exact conversion factor 29.5735 when precision matters, such as in lab work or baking.
Check the measurement system for cooking units: US customary and imperial volumes are not always the same.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between fl oz and mL. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsVolume
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Milliliters to US fluid ounces Converter
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Conversion table
1 US fluid ounce equals
| Unit | Value |
|---|---|
| Liter L | 0.0295735295625 |
| Milliliter mL | 29.5735295625 |
| Cubic meter m3 | 2.95735295625E-05 |
| US teaspoon tsp | 6 |
| US tablespoon tbsp | 2 |
| US cup cup | 0.125 |
| US pint pt | 0.0625 |
| US quart qt | 0.03125 |
| US gallon gal | 0.0078125 |
FAQ
US fluid ounce to Milliliter questions
How many milliliters are in 5 US fluid ounces?
5 US fluid ounces equal 147.867647813 milliliters using the exact conversion factor.
Is the US fluid ounce the same as the imperial fluid ounce?
No, the US fluid ounce is slightly larger. One US fluid ounce equals about 29.5735 mL, while one imperial fluid ounce equals about 28.4131 mL.