Ounces to Grams
Type a value in Ounces and get the result in Grams, calculated exactly.
1 Ounces = 28.349523125 Grams
Precision
Exact factorThis result is exact.
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Formula
g = oz × 28.349523125
To convert Ounces to Grams, multiply the value by 28.349523125.
Worked examples
- 1 oz × 28.349523125 = 28.349523125 g
- 100 oz × 28.349523125 = 2,834.9523125 g
- 50 oz × 28.349523125 = 1,417.47615625 g
This factor is exact by definition.
Conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.349523125 |
| 2 | 56.69904625 |
| 3 | 85.048569375 |
| 4 | 113.3980925 |
| 5 | 141.747615625 |
| 6 | 170.09713875 |
| 7 | 198.446661875 |
| 8 | 226.796185 |
| 9 | 255.145708125 |
| 10 | 283.49523125 |
| 15 | 425.242846875 |
| 20 | 566.9904625 |
| 25 | 708.738078125 |
| 30 | 850.48569375 |
| 40 | 1,133.980925 |
| 50 | 1,417.47615625 |
| 60 | 1,700.9713875 |
| 70 | 1,984.46661875 |
| 75 | 2,126.214234375 |
| 80 | 2,267.96185 |
| 90 | 2,551.45708125 |
| 100 | 2,834.9523125 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Grams to Ounces
| Grams (g) | Ounces (oz) |
|---|---|
| 1 | ≈ 0.03527396 |
| 2 | ≈ 0.07054792 |
| 3 | ≈ 0.1058219 |
| 4 | ≈ 0.1410958 |
| 5 | ≈ 0.1763698 |
| 6 | ≈ 0.2116438 |
| 7 | ≈ 0.2469177 |
| 8 | ≈ 0.2821917 |
| 9 | ≈ 0.3174657 |
| 10 | ≈ 0.3527396 |
| 15 | ≈ 0.5291094 |
| 20 | ≈ 0.7054792 |
| 25 | ≈ 0.881849 |
| 30 | ≈ 1.058219 |
| 40 | ≈ 1.410958 |
| 50 | ≈ 1.763698 |
| 60 | ≈ 2.116438 |
| 70 | ≈ 2.469177 |
| 75 | ≈ 2.645547 |
| 80 | ≈ 2.821917 |
| 90 | ≈ 3.174657 |
| 100 | ≈ 3.527396 |
Unit definitions
- Ounces oz
- One sixteenth of a pound: exactly 28.349523125 grams.
- Grams g
- One thousandth of a kilogram.
Questions people ask
Ounces to Grams: what is the conversion factor?
One oz is 28.349523125 g.
How do I convert Ounces to Grams?
Use the formula above. For example, 100 oz = 2,834.9523125 g.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.