OZ to ML Converter

Convert fluid ounces to milliliters instantly with our free online oz to ml converter. Enter any volume in ounces and see the exact equivalent in milliliters immediately.

FROM4fl ozFluid Ounces=TO118.3mlMilliliters
oz to ml showing 4 fl oz equals 118.3 ml
fl oz
ml
Quick Values

How to Use This Fluid Ounce to Milliliter Converter

  1. 1Enter the volume in fluid ounces (fl oz) in the input field above.
  2. 2The converter automatically calculates the exact volume in milliliters (ml).
  3. 3Use the swap button to switch between oz to ml and ml to oz conversion.
  4. 4Check the common conversions table for cooking, baking, and beverage measurements.

Fluid Ounce to Milliliter Formula

To convert US fluid ounces to milliliters, multiply the volume in ounces by 29.5735. The formula is: milliliters = ounces × 29.5735. Note that this applies to US fluid ounces. UK fluid ounces are slightly larger at 28.4131 ml per ounce. Our converter uses the US standard, which is the most common globally.

For example, to convert 8 oz to ml: 8 × 29.5735 = 236.59 ml. To convert 16 oz (one US pint) to ml: 16 × 29.5735 = 473.18 ml.

Relative Size Comparison1 fl oz29.58 mlfl ozml00.25x0.5x0.75x1
Scale diagram showing the relative size of fl oz compared to ml for oz to ml

Common Fluid Ounces to Milliliters Conversions

Fluid Ounce (fl oz)Milliliter (ml)
0.514.79
129.57
259.15
388.72
4118.3
5147.9
6177.4
8236.6
10295.7
12354.9
16473.2
20591.5
24709.8
32946.4
641,892.7
1002,957.4
1283,785.4
2005,914.7
50014,786.8
1,00029,573.5

About Fluid Ounces and Milliliters

The fluid ounce is a unit of volume in the imperial and US customary systems. A US fluid ounce equals approximately 29.57 milliliters, while a UK fluid ounce equals approximately 28.41 milliliters. The milliliter is a metric unit of volume equal to one-thousandth of a liter. Converting ounces to milliliters is essential for home cooks and bakers following international recipes, bartenders measuring cocktail ingredients, parents measuring children's medicine, and anyone working with products labeled in different measurement systems. Our oz to ml converter uses the US fluid ounce standard and provides precise conversions for culinary, medical, and scientific applications.

Related Converters

Frequently Asked Questions About Fluid Ounce to Milliliter

1 US fluid ounce equals approximately 29.57 ml. Note that UK fluid ounces are slightly different at 28.41 ml.
The formula is: milliliters = ounces × 29.5735. This uses the US fluid ounce standard. For UK ounces, multiply by 28.4131 instead.
8 US fluid ounces equals approximately 236.59 ml. This is exactly one US cup.
750 ml equals approximately 25.36 US fluid ounces. This is the standard size for wine bottles.
Approximately yes. 1 oz is 29.57 ml, so 30 ml is very close and often used as a rough equivalent in cooking and bartending.
Fluid ounces measure volume (liquid), while weight ounces measure mass. They are not interchangeable. Our converter is for fluid ounces (volume) only.