US fluid ounces to Millilitres Converter

Enter a value in us fluid ounces to convert it to millilitres, litres.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

The US fluid ounce equals exactly 29.5735 millilitres (1/128 of a US gallon), and it's a volume measurement, not weight — distinct from the UK/imperial fluid ounce, which is smaller at 28.4131 mL because the imperial gallon is defined differently. This is why a US "16 fl oz" bottle and a UK "16 fl oz" bottle don't actually hold the same amount of liquid.

Cooks following American recipes, bartenders measuring spirits, and beverage and cosmetics manufacturers labeling US-market packaging convert fluid ounces to millilitres constantly, since most of the world's measuring equipment, recipes, and regulatory labeling requirements are metric.

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