Fluid Ounces to Milliliters Converter

Fluid Ounces to Milliliters Converter

US fl oz
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UK fl oz
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1 US fl oz = 29.5735 ml · 1 UK fl oz = 28.4131 ml

How to convert fluid ounces to milliliters

To convert US fluid ounces to milliliters, multiply by 29.5735. For example, 8 fl oz × 29.5735 = 236.59 ml. To convert UK fluid ounces to milliliters, multiply by 28.4131 instead.

Going the other way — to convert milliliters to US fluid ounces — divide by 29.5735. So 100 ml ÷ 29.5735 = 3.381 fl oz.

Note that US and UK fluid ounces are slightly different. 1 US fl oz = 29.5735 ml, while 1 UK fl oz = 28.4131 ml. Always check which system your recipe uses. Most American recipes use US fluid ounces.

Fluid ounces to milliliters conversion table

Fluid Ounces (US) Milliliters (ml) Common equivalent
0.5 fl oz14.79 ml1 tablespoon
1 fl oz29.57 ml2 tablespoons
1.5 fl oz44.36 ml1 shot glass
2 fl oz59.15 ml¼ cup
4 fl oz118.29 ml½ cup
6 fl oz177.44 ml¾ cup
8 fl oz236.59 ml1 cup
16 fl oz473.18 ml1 pint
32 fl oz946.35 ml1 quart
128 fl oz3785.41 ml1 gallon

Frequently asked questions

How many ml is 1 fluid ounce?
1 US fluid ounce = 29.5735 ml. 1 UK fluid ounce = 28.4131 ml. For everyday use, 1 fl oz ≈ 30 ml.
How many fl oz is 100 ml?
100 ml = 3.381 US fluid ounces. This is just under 3½ fl oz. 100 ml is also the maximum liquid size allowed in carry-on luggage by most airlines.
How many ml is 8 fluid ounces?
8 US fluid ounces = 236.59 ml = 1 US cup. This is a commonly needed conversion for recipes and drinks.
How many fl oz is 500 ml?
500 ml = 16.907 US fluid ounces. A standard 500 ml water bottle is approximately 16.9 fl oz — which is why US water bottles are often labeled “16.9 fl oz”.
How many ml is a shot?
A standard US shot = 1.5 fl oz = 44.36 ml. A UK shot = 25 ml or 35 ml depending on the establishment.