Convert ounces (oz) to grams (g) instantly. Our calculator uses the exact conversion factor: 1 ounce = 28.34952 grams.
To convert ounces (oz) to grams (g), multiply the weight in ounces by 28.34952. This is the exact conversion factor for precise measurements.
Grams = Ounces × 28.34952
Here are some everyday items and their weights in both ounces and grams:
A slice of bread
1 oz = 28.35 g
A deck of cards
3 oz = 85.05 g
A quarter-pound burger (raw)
4 oz = 113.4 g
A cup of water
8 oz = 226.8 g
A pound of butter
16 oz = 453.59 g
The ounce (oz) is a unit of weight in the imperial and US customary systems. One ounce equals exactly 28.34952 grams. Common uses include:
The gram (g) is the standard unit of mass in the metric system. It's defined as 1/1000 of a kilogram and is used for:
| Ounces (oz) | Grams (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 |
Note: All conversions use the exact factor of 28.34952 grams per ounce for maximum accuracy.
Converting between ounces and grams is essential when:
Weight conversion is important for: