Ounces to Grams (oz to g)
1 oz = 28.3495 g
and 1 g = 0.035274 oz
How to convert Ounces to Grams
g = oz × 28.3495
To convert, multiply the number of ounces by 28.3495. Example: 10 oz × 28.3495 = 283.495 g.
1 avoirdupois ounce is exactly 28.349523125 grams.
Used to convert US recipes, meat and cheese portions, and package weights to grams.
Mental shortcut: multiply by 28 (underestimates by about 1.2%).
Ounces to Grams conversion chart
| Ounces | Grams |
|---|---|
| 0.25 oz | 7.09 g |
| 0.5 oz | 14.17 g |
| 0.75 oz | 21.26 g |
| 1 oz | 28.35 g |
| 2 oz | 56.7 g |
| 3 oz | 85.05 g |
| 4 oz | 113.4 g |
| 5 oz | 141.75 g |
| 6 oz | 170.1 g |
| 7 oz | 198.45 g |
| 8 oz | 226.8 g |
| 9 oz | 255.15 g |
| 10 oz | 283.5 g |
| 11 oz | 311.84 g |
| 12 oz | 340.19 g |
| 13 oz | 368.54 g |
| 14 oz | 396.89 g |
| 15 oz | 425.24 g |
| 16 oz | 453.59 g |
| 17 oz | 481.94 g |
| 18 oz | 510.29 g |
| 19 oz | 538.64 g |
| 20 oz | 566.99 g |
| 21 oz | 595.34 g |
| 22 oz | 623.69 g |
| Ounces | Grams |
|---|---|
| 23 oz | 652.04 g |
| 24 oz | 680.39 g |
| 25 oz | 708.74 g |
| 26 oz | 737.09 g |
| 27 oz | 765.44 g |
| 28 oz | 793.79 g |
| 29 oz | 822.14 g |
| 30 oz | 850.49 g |
| 31 oz | 878.84 g |
| 32 oz | 907.18 g |
| 36 oz | 1,020.58 g |
| 40 oz | 1,133.98 g |
| 44 oz | 1,247.38 g |
| 48 oz | 1,360.78 g |
| 52 oz | 1,474.18 g |
| 56 oz | 1,587.57 g |
| 60 oz | 1,700.97 g |
| 64 oz | 1,814.37 g |
| 80 oz | 2,267.96 g |
| 96 oz | 2,721.55 g |
| 112 oz | 3,175.15 g |
| 128 oz | 3,628.74 g |
| 144 oz | 4,082.33 g |
| 160 oz | 4,535.92 g |
Values rounded to 2 decimal places (4 below 1). Use the converter above for more precision.
Frequently asked questions
How many grams are in 1 ounce?
1 ounce = 28.3495 grams. 1 avoirdupois ounce is exactly 28.349523125 grams.
How do I convert ounces to grams?
Multiply the number of ounces by 28.3495. Example: 10 oz × 28.3495 = 283.495 g.
Is there a quick way to estimate oz to g in your head?
Yes — multiply by 28. This underestimates by about 1.2%. Use the exact formula (g = oz × 28.3495) when precision matters.
How do I convert grams back to ounces?
Use oz = g ÷ 28.3495 — divide the number of grams by 28.3495. See the Grams to Ounces page for a full chart.