Convert US fl oz to mL, mL to US fl oz - Volume Conversions

Online calculators to convert US fluid ounces to milliliters (US fl oz to mL) and milliliters to US fluid ounces (mL to US fl oz). Our conversions provide a quick and easy way to convert between Volume units.

Conversion Calculators

Enter your value in one of the conversion calculators below:

Convert US fl oz to mL

Convert mL to US fl oz

* If the result of your conversion is 0, try increasing the "Decimals".

How to convert US fl oz to mL : Use the conversion calculator titled "Convert US fl oz to mL". Enter a value in the US fl oz field and click on the "Calculate mL" button. Your answer will appear in the mL field.

How to convert mL to US fl oz : Use the conversion calculator titled "Convert mL to US fl oz". Enter a value in the mL field and click on the "Calculate US fluid ounces" button. Your answer will appear in the US fl oz field.

Conversion Definitions

The following is a list of definitions relating to conversions between US fluid ounces and milliliters.

What is a US fluid ounce (US fl oz)?

A US fluid ounce is a unit of volume in US Customary Units. The symbol for US fluid ounce is US fl oz. There are 0.03381402 US fluid ounces in a milliliter.

What is a milliliter (mL)?

A milliliter is a unit of volume in the Metric System. The symbol for milliliter is mL. There are 29.5735296 milliliters in a US fluid ounce. The International spelling for this unit is millilitre.

Conversion Formulas

Let's take a closer look at the conversion formulas so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from US fl oz to mL is:

The formula to convert from mL to US fl oz is:

Conversion Examples

Next, let's look at some examples showing the work and calculations that are involved in converting from US fluid ounces to milliliters (US fl oz to mL) or converting from milliliters to US fluid ounces (mL to US fl oz).

US Fluid Ounce to Milliliter Conversion Example

Milliliter to US Fluid Ounce Conversion Example

Conversion Tables

For quick reference purposes, below are conversion tables that you can use to convert from US fl oz to mL, and mL to US fl oz.

US Fluid Ounces to Milliliters Conversion Chart

Milliliters to US Fluid Ounces Conversion Chart

Understanding the Volume Units

The following tables provide a summary of the Volume units (both Fluid Volume units and Cubic Volume units) within their respective measurement systems.

Fluid Volume Units

Note: There is a difference between US Customary Units and the Imperial System for volume conversions. The US gallon contains 128 US fluid ounces, whereas the Imperial gallon contains 160 Imperial fluid ounces.

Cubic Volume Units

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