How it's calculated
oz = g ÷ k (reverse: g = oz × k)
g = grams, oz = ounces, k = grams per ounce; avoirdupois = 28.349523, troy = 31.103477.
Common values
| Grams | Avoirdupois oz | Troy oz |
|---|---|---|
| 10 | 0.353 | 0.322 |
| 28.35 | 1.000 | 0.911 |
| 31.10 | 1.097 | 1.000 |
| 100 | 3.527 | 3.215 |
Common questions
What is the difference between a troy ounce and a regular ounce?
A standard avoirdupois ounce is 28.35 grams. A troy ounce, used for gold and silver, is heavier at 31.10 grams.
Which ounce should I use for cooking?
The avoirdupois ounce, 28.35 grams. Troy ounces only come up with precious metals.