ConverterKey
HomeAll ConvertersText ToolsLengthTemperatureData
Explore
HomeAll ConvertersText ToolsLengthTemperatureData

ConverterKey

A modern converter toolkit built for speed, precision, and mobile use.

Popular converters

  • Length Converter
  • CM to Inches Converter
  • Feet to Meters Converter
  • Miles to Kilometers Converter
  • Area Converter

Platform

  • About
  • Contact
  • All converters
  • Search tools
  • Browse categories
  • Sitemap

Legal

  • Privacy Policy
  • Terms of Use

© 2026 ConverterKey. Validate critical calculations independently.

  1. Home
  2. /
  3. Converters
  4. /
  5. Volume Converter
  6. /
  7. Convert fluid ounce us to ml

Convert fluid ounce us to ml

Convert fluid ounce (US) (fl oz (US)) to milliliter (mL) instantly.

Calculation

value × 29.5735295625

Quick ConversionConverted
1 fl oz (US)29.57353 mL
5 fl oz (US)147.867648 mL
10 fl oz (US)295.735296 mL
100 fl oz (US)2,957.352956 mL
1,000 fl oz (US)29,573.529563 mL

fluid ounce (US)

A US fluid ounce is a customary volume unit equal to 29.57352956 milliliters.

US fluid ounces are widely used for beverages, recipes, medicine cups, cosmetics, and small packaged liquids.

floz_us is used for drinks, serving sizes, recipes, labels, medicine cups, cosmetics, and travel-size containers.

milliliter

A milliliter is one thousandth of a liter.

Milliliters are used worldwide for small metric liquid quantities in food, medicine, labs, cosmetics, and packaging.

ml is used for bottles, recipes, medicine, cosmetics, lab samples, nutrition labels, and precise small liquid volumes.

How to Convert fluid ounce (US) to milliliter

Mathematically, milliliter (mL) = fluid ounce (us) (fl oz (US)) converted with the formula below.

1 fl oz (US) = 29.57353 mL

1 mL = 0.033814 fl oz (US)

Formula: value × 29.5735295625

Example: 15 fl oz (US) = 443.602943 mL

  1. Start with the volume in US fluid ounces (floz_us).
  2. Multiply by 29.57352956 to convert US fluid ounces into milliliters.
  3. Use milliliters when the target context needs a precise small metric liquid amount.

Precision note: Use 29.57352956 milliliters per US fluid ounce. Round to 29.57 ml or 30 ml only when that level of accuracy fits the task.

How many fl oz (US) in mL and mL in fl oz (US)

1 fl oz (US) = 29.57353 mL

1 mL = 0.033814 fl oz (US)

fluid ounce (US) [fl oz (US)]milliliter [mL]
0.01 fl oz (US)0.295735 mL
0.1 fl oz (US)2.957353 mL
1 fl oz (US)29.57353 mL
2 fl oz (US)59.147059 mL
5 fl oz (US)147.867648 mL
10 fl oz (US)295.735296 mL
20 fl oz (US)591.470591 mL
50 fl oz (US)1,478.676478 mL
100 fl oz (US)2,957.352956 mL

Common Use Cases for fl oz (US) to mL

  • Converting beverage, medicine, cosmetic, or recipe amounts from fl oz to ml.
  • Comparing US product labels with metric bottle sizes.
  • Preparing international recipe or serving information.
  • Checking small liquid quantities without confusing volume ounces and weight ounces.

FAQ

How many milliliters are in one US fluid ounce?

One US fluid ounce is about 29.5735 milliliters.

Is one US fluid ounce 30 ml?

30 ml is a common rounded estimate, but the exact US fluid-ounce conversion is about 29.5735 ml.

Are US fluid ounces and imperial fluid ounces the same?

No. This page uses US fluid ounces. Imperial fluid ounces are larger.

More fluid ounce (US) conversions

  • fluid ounce us to cubic meters
  • fluid ounce us to cubic kilometers
  • fluid ounce us to cubic centimeters
  • fluid ounce us to mm3
  • fluid ounce us to liters
  • fluid ounce us to gallons
  • fluid ounce us to quarts
  • fluid ounce us to pints