Fluid Ounces to Milliliters Converter

Summary

This tool converts US fluid ounces to milliliters and back. One US fluid ounce equals exactly 29.5735295625 mL by definition. Enter a value in either field and the result updates instantly — no button press needed.

How it works

1. Enter a value in the fluid ounces field to see the equivalent in milliliters.
2. Or enter a value in the milliliters field for the reverse conversion.
3. The result updates as you type — no submit needed.
4. Use the common-amounts table for quick reference on popular measurements.
5. Click "Copy Result" to copy the converted value to your clipboard.

Use cases

• Convert recipe measurements from US fl oz to metric mL.
• Check beverage serving sizes when reading US product labels.
• Scale cocktail or drink recipes for different volumes.
• Convert medicine or supplement dosages listed in fl oz.
• Verify fluid volume for travel-size containers (TSA rules use mL).
• Convert paint or chemical volumes for mixing ratios.

Frequently Asked Questions