Convert Ounce to Gram

One oz equals 28.34952313 g. This converter allows you to easily convert between Ounce and Gram in real time.

Formula

oz × 28.34952313 = g

Example: 1 oz = 28.34952313 g

What is Ounce?

The ounce is a unit of mass in the imperial and US customary systems, equal to one-sixteenth of a pound, or exactly 28.349523125 grams. It is widely used in the United States for food packaging, postal rates, and portion sizes. Boxing gloves are rated in ounces (such as 8 oz or 10 oz), and restaurant menus often describe steak sizes in ounces. Note that the fluid ounce is a separate unit of volume and should not be confused with the ounce of mass.

What is Gram?

The gram is one-thousandth of a kilogram and is widely used for measuring small quantities. You will find it on nutrition labels, in cooking recipes, and in postal weight limits. It was originally defined as the mass of one cubic centimeter of water at 4 degrees Celsius, making it one of the earliest metric units to be established. In scientific work, grams are commonly used for chemical reagents and laboratory samples.