Convert ounces to grams
Enter the number of ounces that you want to convert to grams.
How to Convert Ounces to Grams
The ounce and gram are both units of weight. By definition, 1 ounce equals exactly 28.349523125 grams. This means to convert ounces to grams, you multiply by 28.349523125.
Formula
Step-by-Step Example
Convert 5 oz to grams:
We need to convert ounces to grams
Since 1 oz = 28.349523125 g, multiply by 28.349523125
5 × 28.349523125 = 141.74761563
5 oz = 141.74761563 g
Ounce to Gram Conversion Table
Quick reference table for common ounce to gram conversions. Click any value for detailed calculation.
| Ounces (oz) | Grams (g) |
|---|---|
| 1 oz | 28.349523125 g |
| 2 oz | 56.69904625 g |
| 5 oz | 141.74761563 g |
| 10 oz | 283.49523125 g |
| 15 oz | 425.24284688 g |
| 20 oz | 566.9904625 g |
| 25 oz | 708.73807813 g |
| 50 oz | 1417.4761563 g |
| 100 oz | 2834.9523125 g |
About These Units
Ounce (oz)
An ounce (oz) is an imperial unit equal to 1/16 pound or approximately 28.35 grams. Ounces measure food portions, beverages, precious metals (troy ounces), and postal weights in the US. Note: fluid ounces measure volume, not weight.
Gram (g)
A gram (g) is a metric unit of mass equal to 1/1000 kilogram or approximately 0.035 ounces. Grams are the standard unit for food nutrition labels, cooking recipes, jewelry weight, and postal rates. One gram of water equals one milliliter in volume.
Frequently Asked Questions
How do I convert ounces to grams?
To convert ounces to grams, multiply the value by 28.349523125. For example, 10 oz = 283.49523125 g.
How many grams are in 1 ounce?
1 ounce equals 28.349523125 grams.
What is the formula for ounces to grams?
The formula is: g = oz × 28.349523125.