Ounces and mL Converter

Convert between fluid ounces and milliliters / millilitres using this handy calculator tool. Note that there are two different fluid ounces - the US fluid ounce and UK fluid ounce. A conversion chart for ounces to mL is available further down.


Disclaimer: Whilst every effort has been made in building this calculator, we are not to be held liable for any damages or monetary losses arising out of or in connection with the use of it. This tool is here purely as a service to you, please use it at your own risk. Full disclaimer. Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate calculations.

How many mL in an ounce?

  • 1 US fluid ounce = 29.5735 mL
  • 1 UK fluid ounce = 28.4131 mL

How many ounces in a mL?

  • 1 mL = 0.033814 US fluid ounces
  • 1 mL = 0.0351951 UK fluid ounces

Ounces and milliliters conversion charts

The chart below shows the conversion between fluid ounces and milliliters, rounded to a maximum of 2 decimal places.

Conversion of fluid ounces to milliliters
US Fluid Ounces Milliliters UK Fluid Ounces Millilitres
1 fl oz 29.57 mL 1 fl oz 28.41 mL
2 fl oz 59.15 mL 2 fl oz 56.83 mL
3 fl oz 88.72 mL 3 fl oz 85.24 mL
4 fl oz 118.29 mL 4 fl oz 113.65 mL
5 fl oz 147.87 mL 5 fl oz 142.07 mL
6 fl oz 177.44 mL 6 fl oz 170.48 mL
7 fl oz 207.01 mL 7 fl oz 198.89 mL
8 fl oz 236.59 mL 8 fl oz 227.3 mL
9 fl oz 266.16 mL 9 fl oz 255.72 mL
10 fl oz 295.74 mL 10 fl oz 284.13 mL
Note: conversions are rounded to maximum 2 decimal places.
Conversion of milliliters to fluid ounces
Milliliters US Fluid Ounces Millilitres UK Fluid Ounces
10 mL 0.338 fl oz 10 mL 0.352 fl oz
50 mL 1.69 fl oz 50 mL 1.76 fl oz
100 mL 3.38 fl oz 100 mL 3.52 fl oz
150 mL 5.07 fl oz 150 mL 5.28 fl oz
200 mL 6.76 fl oz 200 mL 7.04 fl oz
250 mL 8.45 fl oz 250 mL 8.8 fl oz
300 mL 10.14 fl oz 300 mL 10.56 fl oz
350 mL 11.83 fl oz 350 mL 12.32 fl oz
400 mL 13.53 fl oz 400 mL 14.08 fl oz
450 mL 15.22 fl oz 450 mL 15.84 fl oz
500 mL 16.91 fl oz 500 mL 17.6 fl oz
Note: conversions are rounded to maximum 2 decimal places.

Other Cooking Units

Should you wish to convert between other units used in cooking, converters are also available for cups and grams, cups and ounces and quarts and cups.


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