Ounces Converter

Enter ounces below to convert to other units, or vice versa.



Ounce, a unit of measurement commonly used for both weight and volume, is a unit of weight and volume in the English and US customary systems of measurement. It is abbreviated as "oz".

The ounce is an ancient unit, dating back to ancient Rome. Its name comes from the Latin word "uncia", meaning "one-twelfth". This is because the Roman pound was divided into 12 ounces.

Types of ounces

There are different types of ounces, including:

Avoirdupois ounce: Used to measure weight, the avoirdupois ounce is the ounce commonly used in the US and in the English system of measurement. It is often used to measure the weight of food, medicine, and other relatively light objects. In the International System of Units (SI), 1 ounce is equal to approximately 28.349 grams.

Fluid ounce (Abbreviation: fl oz): Used to measure the volume of liquids, the fluid ounce is commonly used in the US and in the English system of measurement. In the US, 1 fluid ounce is equal to approximately 29.573 milliliters. It is widely used in cooking and baking to measure liquid ingredients in recipes, such as water, milk, oil, etc.

Troy ounce (Abbreviation: oz t): Used to measure precious metals, the troy ounce is equal to 31.1034768 grams. It is commonly used in the jewelry industry and in the trading of precious metals.

It's important to note that there is a slight difference between the US ounce and the UK ounce. Our ounce is the US customary ounce.

Ounces to Common Weight Conversion Table

UnitsOunces to......to Ounces
Gram28.349523 g0.035274 oz
Pound0.0625 lb16 oz
Kilogram0.028349 kg35.273962 oz
Milligram28349.523125 mg0.000035 oz
Troy Ounce0.911458 oz t1.097142 oz

Fluid Ounces to Common Volume Conversion Table

Unitsfl oz to......to fl oz
Gallon0.0078125 gal128 oz
Quart0.03125 qt32 oz
Pint0.0625 pt16 oz
Tablespoon2 tbsp0.5 oz
Cup0.125 cups8 oz
Liter0.029573 l33.814022 oz
Milliliter29.573529 ml0.033814 oz
Cubic cm29.573529 cc0.033814 oz

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