Ounce (oz)
The ounce is used for small masses, food, precious metals, and English-language recipes.
History: the ounce goes back to the Roman uncia, one twelfth; in the avoirdupois system it became 1/16 of a pound.
Quickly convert ounces to grams without lookup tables or manual math.
This page is focused on converting ounces to grams. Type a number into the first field and the result appears immediately in the second field.
Example: 1 oz = 28.349523125 g. Conversion formula: result = value × 0.028349523125 / 0.001.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The ounce is used for small masses, food, precious metals, and English-language recipes.
History: the ounce goes back to the Roman uncia, one twelfth; in the avoirdupois system it became 1/16 of a pound.
The gram is one thousandth of a kilogram and is useful for food, medicine, labs, and small goods.
History: the gram entered the French metric system as the mass of one cubic centimeter of water under specified conditions.
Enter a value in the Ounce field. The converter applies the formula "result = value × 0.028349523125 / 0.001" and immediately shows the result in grams.
1 oz = 28.349523125 g.
Yes. Use the swap button or choose the reverse pair from the full conversion list.