1 Ounce to Grams
1 Ounce is 28.35 Grams. Formula, worked steps and a table of nearby values.
Formula
g = oz × 28.34952313
How to use it
- The value is pre-filled at 1 oz — change it to convert any other amount.
- Use Swap to flip the direction, or change either dropdown for a different unit pair.
Examples
| 1 oz | 28.34952313 g |
1 Ounce is 28.35 Grams.
That comes from the fixed relationship between ounce and gram: 1 oz = 28.34952313 g.
The working
1 oz = 28.34952313 g
1 oz × 28.34952313 = 28.34952313 g
Nearby ounce values
| oz | g |
|---|---|
| 1 oz | 28.34952313 g |
| 2 oz | 56.69904625 g |
| 3 oz | 85.04856937 g |
| 4 oz | 113.3980925 g |
| 5 oz | 141.7476156 g |
About ounce and gram
Ounce (oz) — An ounce is one sixteenth of a pound, about 28.35 grams. Food packaging, postage and cooking in the US.
Gram (g) — A gram is a thousandth of a kilogram. Cooking, postage, nutrition labels and jewellery.
Need a different value?
This page is fixed to 1 ounce. For any other amount, the full ounce-to-gram converter takes any number and updates as you type.
Questions people ask
What is 1 ounce in grams?
1 Ounce is 28.35 Grams.
How do you convert ounce to grams?
Multiply the number of ounce by 28.34952313 to get grams.
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Last updated 26 August 2026