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US fluid ounces to milliliters converter

Convert US fluid ounces to milliliters, both ways.

Type a volume in US fluid ounces and read the exact milliliters, or type milliliters to convert back. The result updates live, with liters, US cups and tablespoons for context and a one-click copy.

Your volume

fl oz
mL

Edit either box. The formula is mL = fl oz times 29.5735, and fl oz = mL divided by 29.5735.

8 fl oz in milliliters
0 mL
236.588 mL
Share of a 500 mL bottle filled47.3%
A 500 mL bottle = 16.91 fl oz (full bar)8
Liters
0.237
US cups
1
US tablespoons
16
Kitchen context
about a cup

What this means

    Common US measures in milliliters

    mL Each bar shows the milliliter equivalent of a common US fluid ounce measure, from a 1 fl oz pour to a 32 fl oz quart. Every height is the fluid ounce value times 29.5735.

    Volume milestones

    1 fl oz
    29.57 mL
    The base unit, a small pour or two tablespoons.
    8 fl oz
    236.59 mL
    One US cup, the standard American recipe measure.
    16 fl oz
    473.18 mL
    One US pint, the classic beer glass size.
    128 fl oz
    3785.41 mL
    One US gallon, about 3.79 liters of milk or water.

    Common fl oz to mL values

    US fluid ouncesMillilitersmL (rounded)Where you see it

    How the conversion works

    Conversion Factor

    1 US fluid ounce equals 29.5735 mL. Multiply fl oz by 29.57 for mL. The US fluid ounce is different from UK Imperial (28.41 mL).

    Recipe Conversion

    European recipes use mL; US recipes use fl oz. Converting US measurements to a European kitchen requires this step. Cocktail recipes often mix units.

    Standard Volumes

    1 fl oz = 29.57 mL. 8 fl oz (1 cup) = 236.59 mL. 16 fl oz (1 pint) = 473.18 mL. 32 fl oz (1 quart) = 946.35 mL. 128 fl oz (1 gallon) = 3785.41 mL.

    Common questions

    8 fluid ounces is how many mL?

    8 US fl oz = 236.59 mL, a standard US cup.

    Is the US fluid ounce the same as the weight ounce?

    No, they share a name but are different units. 1 fl oz of water weighs about 1.04 weight oz, but other liquids differ.

    How big is a shot in mL?

    A standard US 'shot' is 1.5 fl oz = 44.36 mL. A 'jigger' usually refers to the same measure.

    All conversion runs in your browser. Nothing is uploaded. 1 US fluid ounce is exactly 29.5735295625 mL by definition, so these results are precise, not approximate. This page uses the US fluid ounce, not the UK Imperial one.