There are 28.35 grams in an ounce
There are 28.35 grams in an ounce. The working, a reference table and answers to the related "how many" questions people actually ask.
The working
1 oz = 28.34952313 g
1 oz × 28.34952313 = 28.34952313 g
Why this figure matters
Kitchen scales and nutrition labels switch between the two constantly — this is the exact factor, not the '28 g' rule of thumb some recipes use.
Ounces to grams
| Ounces | Grams |
|---|---|
| 1 ounce | 28.34952313 grams |
| 2 ounces | 56.69904625 grams |
| 4 ounces | 113.3980925 grams |
| 8 ounces | 226.796185 grams |
| 16 ounces | 453.59237 grams |
Questions people ask
How many grams are in an ounce?
There are 28.35 grams in an ounce.
Where does the 28.35 figure come from?
1 oz = 28.34952313 g
Runs entirely in your browser. Nothing you type is uploaded, logged or shared.
Last updated 26 August 2026