How to Use the Ounces to Grams Converter
Enter a mass in ounces to convert it into grams for cooking, shipping and everyday weight measurements.
Practical Example
8 oz equals approximately 226.796 grams.
Factors That Affect the Result
The conversion factor is fixed. Measurement precision and rounding determine the displayed result.
Frequently Asked Questions
How many grams are in one ounce?
One avoirdupois ounce equals approximately 28.3495 grams.
What is 16 oz in grams?
16 oz equals approximately 453.592 grams.
Is this a fluid-ounce converter?
No. This converts mass ounces, not fluid volume.
Converting Ounces to Grams
One international avoirdupois ounce equals approximately 28.349523125 grams. Multiply ounces by this factor to convert mass to grams. For example, 4 oz is about 113.40 g. This conversion is useful for food quantities, packages and products when moving between customary and metric measurements. Do not confuse an ounce of mass with a fluid ounce, which measures volume, or with a troy ounce, which is commonly used for precious metals and has a different mass. Recipe conversions can also depend on whether the original “ounce” refers to weight or fluid volume, so check the source carefully. When measuring ingredients or laboratory materials, the accuracy of the converted result cannot exceed the accuracy of the scale or original measurement.
Conversion Formula and Context
Convert avoirdupois ounces to grams by multiplying by exactly 28.349523125. Precious-metal measurements may use troy ounces instead, so verify the ounce system before conversion.