Unit Converter
Fluid Ounces (US) to Milliliters Converter
Convert US fluid ounces to milliliters instantly. 1 fl oz = 29.5735 mL. Free, no signup required.
Milliliters
29.5735 mL
1 fl oz = 29.5735 mL
Fluid Ounces (US) to Milliliters formula
mL = fl oz × 29.5735The fluid ounce (US) and milliliter are both units of volume. One US fluid ounce equals 29.5735 mL, a fixed ratio based on the imperial-to-metric system conversion standard. This factor applies consistently across all fl oz to mL conversions.
Fluid Ounces (US) to Milliliters conversion table
| Fluid Ounces (US) (fl oz) | Milliliters (mL) |
|---|---|
| 1 fl oz | 29.5735 mL |
| 2 fl oz | 59.1471 mL |
| 3 fl oz | 88.7206 mL |
| 5 fl oz | 147.87 mL |
| 10 fl oz | 295.74 mL |
| 20 fl oz | 591.47 mL |
| 25 fl oz | 739.34 mL |
| 50 fl oz | 1478.68 mL |
| 100 fl oz | 2957.35 mL |
| 500 fl oz | 14786.76 mL |
| 1000 fl oz | 29573.53 mL |
When you need to convert fluid ounces (us) to milliliters
- Measuring recipe ingredients when cooking with international cookbooks or baking guides
- Converting medication dosages from US prescriptions to metric measurements
- Calculating beverage volumes for travel or determining luggage liquid limits
- Engineering or laboratory work requiring precise volume conversions
Frequently asked questions
Why is 1 fl oz not exactly 30 mL?
The US fluid ounce is defined by imperial standards (1/128th of a US gallon), while the milliliter is metric. The exact conversion factor of 29.5735 mL bridges these two independent measurement systems precisely.
Can I use this converter for all liquids?
Yes. This volume converter works for any liquid or gas—water, oil, medication, juice. Volume stays constant regardless of what substance you're measuring, making the conversion universal.
How accurate do I need to be when cooking?
For most recipes, rounding 29.5735 to 30 mL works fine. For precision baking or medication, use the exact factor. Our converter handles both—use full precision when precision matters.