How to convert ounces to grams
1 oz = 28.349523125 g
1 oz = 28.349523125 g exactly (NIST Handbook 44: one-sixteenth of the 0.45359237 kg pound). Multiply ounces by 28.349523125.
Examples
- 16 oz = 453.59237 g: Upper ounce figure for a match football (Laws of the Game) (IFAB)
- 8 oz = 226.79619 g: A half-pound package
- 0.5 oz = 14.174762 g: Half an ounce of dried herbs
Ounces to grams chart
| Ounces (oz) | Grams (g) |
|---|---|
| 0.5 oz | 14.174762 g |
| 1 oz | 28.349523 g |
| 2 oz | 56.699046 g |
| 3 oz | 85.048569 g |
| 4 oz | 113.39809 g |
| 5 oz | 141.74762 g |
| 8 oz | 226.79619 g |
| 10 oz | 283.49523 g |
| 15 oz | 425.24285 g |
| 16 oz | 453.59237 g |
| 20 oz | 566.99046 g |
| 25 oz | 708.73808 g |
| 50 oz | 1,417.4762 g |
| 75 oz | 2,126.2142 g |
| 100 oz | 2,834.9523 g |
Common mistakes
- Fluid ounces (fl oz) measure volume, not weight. A recipe in fl oz needs a volume conversion, or the ingredient’s density, before it becomes grams.
- Rounded pairs disagree: the football laws pair 450 g with 16 oz, but 16 oz is about 453.6 g.