How to convert ounces to grams
Ounces and Grams both measure weight, so converting is a single multiplication. One oz equals 28.3495 g, so you multiply your ounces value by 28.3495.
Formula: grams = ounces × 28.3495. For example, 10 oz = 283.495 g.
Ounces to Grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 5 | 141.7475 |
| 10 | 283.495 |
| 25 | 708.7375 |
| 50 | 1,417.475 |
| 100 | 2,834.95 |
| 1,000 | 28,349.5 |
Ounces and Grams explained
Ounces (oz): An imperial unit equal to about 28.35 g, used for food and postage in the US.
Grams (g): The base metric unit of mass, used for food, ingredients and small items.
When you'd convert ounces to grams
You'll convert ounces to grams whenever a measurement is given in one unit but you need it in the other — comparing ounces and grams figures across regions, following a recipe or spec, or double-checking a number. Because 1 oz is exactly 28.3495 g, the result is precise every time.
Frequently asked questions
How many grams are in a ounce?
One oz equals 28.3495 g. Multiply your ounces figure by 28.3495 to get grams.
What is the formula to convert ounces to grams?
grams = ounces × 28.3495. The factor 28.3495 is exact.
What is 2 ounces in grams?
2 oz = 56.699 g. You can enter any value in the converter above to get an instant result.
Is this Ounces to Grams converter accurate?
Yes. It uses the standard conversion factor (1 oz = 28.3495 g) defined by BIPM — SI Brochure (definition of the kilogram), so results are exact to several decimal places.