Convert Ounce to Gram
Convert Ounce to Gram instantly. 1 oz = 28.349523 g. Formula, worked examples and a quick reference table.
Last updated
One ounce equals 28.349523 grams. To convert any number of ounces to grams, multiply by 28.34952313.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Ounce to Gram formula
To go the other way, use ounce = gram ÷ 28.34952313.
About these units
The avoirdupois ounce is 1/16 of a pound. It should not be confused with the troy ounce used for precious metals, which is about 10% heavier.
Ounce to Gram conversion table
| Ounce | Gram |
|---|---|
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 5 oz | 141.7476 g |
| 10 oz | 283.4952 g |
| 20 oz | 566.9905 g |
| 25 oz | 708.7381 g |
| 50 oz | 1,417.4762 g |
| 100 oz | 2,834.9523 g |
| 250 oz | 7,087.3808 g |
| 500 oz | 14,174.7616 g |
| 1,000 oz | 28,349.5231 g |
Frequently asked questions
How many grams are in a ounce? +
There are 28.349523 grams in one ounce.
What is 10 oz in g? +
10 oz equals 283.4952 g. Multiply 10 by 28.34952313.
How do I convert gram back to ounce? +
Use ounce = gram ÷ 28.34952313. The converter above handles both directions, or see our dedicated Gram to Ounce page.