OZ to ml converter

Type fluid ounces or milliliters and watch both update live.

1 US fl oz = 29.5735295625 ml exactly.

Oz to ml conversion table

US fluid ouncesMilliliters
0.514.79
129.57
1.544.36
259.15
388.72
4118.29
5147.87
6177.44
8236.59
10295.74
12354.88
16473.18
20591.47
24709.76
32946.35
641,892.71
1283,785.41

How to convert oz to ml

  1. Type a value in the fluid ounces box.
  2. The milliliters box updates as you type.
  3. Check the table for a recipe or bottle size.

How US kitchen measures relate to fluid ounces

A US cup is defined as 8 fluid ounces, a tablespoon as half a fluid ounce, and a gallon as 128 fluid ounces, so all of the common US kitchen measures are exact fractions or multiples of the fluid ounce. Milliliters do not divide as neatly, which is why converted figures like 236.59 ml for a cup look like an odd number.

Common US measures in oz and ml

MeasureUS fl ozMilliliters
Tablespoon0.5 fl oz14.79 ml
Standard shot1.5 fl oz44.36 ml
Soda can12 fl oz354.88 ml
Cup8 fl oz236.59 ml
Pint16 fl oz473.18 ml
Gallon128 fl oz3,785.41 ml

A US pint is exactly 2 cups, and a gallon is exactly 4 quarts of 2 pints each, so the whole system nests in clean multiples of a fluid ounce even though the metric equivalents look messy.

A quick way to estimate without a calculator

  • Multiply fluid ounces by 30 for a fast estimate. For 8 oz: 8 x 30 is 240, close to the exact 236.59 ml.
  • The shortcut runs a little high since the real factor is 29.5735, useful for a quick check but not for a precise recipe.
  • For 12 oz, the same shortcut gives 360, close to the exact 354.88 ml, the size of a standard soda can.

OZ to ml FAQ

How many ml is 1 oz?

1 US fluid ounce equals about 29.57 ml.

How many ml is 8 oz?

8 US fluid ounces, a standard cup, equals about 236.59 ml.

Is a fluid ounce the same as a weight ounce?

No. A fluid ounce measures volume, while a weight ounce measures mass. Water is one of the few liquids where the two are close.

How many oz is a gallon?

A US gallon is 128 fluid ounces.

How many ml is a standard shot?

A standard US shot, 1.5 fluid ounces, equals about 44.36 ml.

How many ml is a tablespoon?

A US tablespoon is 0.5 fluid ounces, which equals about 14.79 ml.

Why do US recipes measure liquids in cups and tablespoons instead of ml?

US kitchen measuring tools are graduated in cups, tablespoons and fluid ounces by long-standing convention, while metric recipes from most other countries measure liquids directly in ml, so converting between the two comes up often when following a foreign recipe.

How many ml is a pint (16 fl oz)?

16 US fluid ounces equals about 473.18 ml.

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