Ounce to Gram Converter (oz to g)
1 ounce = 28.3495 gram. The avoirdupois ounce used for food and mail is exactly 28.349523 g.
Result
8 oz = 226.796 g
How to convert ounce to gram
The avoirdupois ounce used for food and mail is exactly 28.349523 g. Recipes, postage and kitchen scales regularly require switching between the two, and 100 g is about 3.53 oz.
Formula
g = oz × 28.3495
Worked example
8 oz × 28.3495 = 226.796 g
Ounce to Gram quick-reference table
| Ounce (oz) | Gram (g) |
|---|---|
| 1 oz | 28.3495 g |
| 5 oz | 141.748 g |
| 10 oz | 283.495 g |
| 25 oz | 708.738 g |
| 50 oz | 1,417.48 g |
| 100 oz | 2,834.95 g |
Real-life examples
An 8 oz steak is about 227 g and a 16 oz coffee bag is about 454 g.
Frequently asked questions
How many grams are in an ounce?
One ounce is 28.3495 grams. In recipes, 28 g is a common rounding.
Is a fluid ounce the same as a weight ounce?
No. A fluid ounce measures volume; an ounce on this page measures weight (mass). They only match for water-like liquids, and only roughly.
What is 1 ounce in gram?
1 ounce = 28.3495 gram (oz to g).
What is the formula to convert oz to g?
g = oz × 28.3495. For example, 8 oz × 28.3495 = 226.796 g.
How do I convert g back to oz?
Use the reverse converter: 1 gram = 0.035274 ounce. Check: 226.796 g converts back to 8 oz.
Reverse conversion
Need the other direction? Gram to Ounce converter (g to oz): 1 gram = 0.035274 ounce.
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