How many US fluid ounces are in 1 milliliter?

1 milliliter equals 0.033814 US fl oz.

How do I convert US fluid ounces back to milliliters?

Use the reverse converter: 1 US fluid ounce equals 29.5735 mL.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert milliliters to US fluid ounces, multiply the value by 0.0338140227.

US fl oz = mL × 0.0338140227

125 mL × 0.0338140227 = 4.23 US fl oz

Note: "cup" here means the US cup (about 236.6 mL). Metric cups (250 mL), imperial cups and US/UK fluid ounces are listed as separate units.

Milliliter (mL): Used for liquids, medicine and recipes in metric countries. One thousandth of a litre, equal to one cubic centimetre.
US Fluid Ounce (US fl oz): A US liquid measure of about 29.5735 mL, one sixteenth of a US pint.

How do I convert milliliters to US fluid ounces?: To convert milliliters to US fluid ounces, multiply the value by 0.0338140227.
How many US fluid ounces are in 1 milliliter?: 1 milliliter equals 0.033814 US fl oz.
How many US fluid ounces are in 10 milliliters?: 10 mL equals 0.33814 US fl oz.
How do I convert US fluid ounces back to milliliters?: Use the reverse converter: 1 US fluid ounce equals 29.5735 mL.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.