Ounces to grams chart
1 ounce is 28.3495 grams. The full table below runs from 1 oz to 32 oz (2 lb), with a live converter.
28.3495 g1 ounce
0.03527 oz1 gram
453.6 g1 lb (16 oz)
Live converter
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Full ounces to grams table
| Ounces | Grams |
|---|---|
| 1 oz | 28.3 g |
| 2 oz | 56.7 g |
| 3 oz | 85.0 g |
| 4 oz | 113.4 g |
| 5 oz | 141.7 g |
| 6 oz | 170.1 g |
| 8 oz | 226.8 g |
| 10 oz | 283.5 g |
| 12 oz | 340.2 g |
| 16 oz | 453.6 g |
| 20 oz | 567.0 g |
| 24 oz | 680.4 g |
| 32 oz | 907.2 g |
Common cooking weights
| Weight | Ounces | Grams |
|---|---|---|
| Quarter pound | 4 oz | 113.4 g |
| Half pound | 8 oz | 226.8 g |
| Three-quarter pound | 12 oz | 340.2 g |
| 1 pound | 16 oz | 453.6 g |
This is the avoirdupois ounce used for food and everyday weight — not the troy ounce used for precious metals, which is heavier at 31.1035 g. Most kitchen scales and US recipes use avoirdupois ounces, so the figures above are the ones that apply when a recipe calls for "4 oz of butter."
Frequently asked questions
How many grams is 1 oz?
28.3495 grams.
How many grams is 8 oz?
226.8 grams — half a pound.
Is a troy ounce the same as a regular ounce?
No. A troy ounce (used for gold and silver) is 31.1035 g, heavier than the standard avoirdupois ounce of 28.3495 g used for food.