Converter
Ounces to Grams
1 oz is 28.3495 g. Type any amount below and the answer follows as you type, on your device.
The answer follows what you type, rounded to six significant figures. Nothing is sent anywhere.
The formula
g = oz × 28.3495
Multiply the ounce figure by 28.3495.
Worked example
How many grams are in 4 ounces?
4 oz → 113.398 g
Multiply 4 by 28.3495. The answer is 113.398 g.
Quick reference
The common values, rounded to six significant figures.
| ounces (oz) | grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 4 | 113.398 |
| 8 | 226.796 |
| 12 | 340.194 |
| 16 | 453.592 |
| 32 | 907.185 |
When you need this
Gold, spices and food packaged overseas are usually marked in ounces, and the weight only becomes checkable once it is in grams.
The factor above is the exact legal definition of each unit, not a rounded one, so the answers stay right at any size. Nothing here is sent to a server: the conversion runs in the page.