Ounces to grams – convert oz to g
Convert ounces to grams (oz to g) for baking recipes, food packaging, coffee beans, parcels and more. This page opens the main mass converter with oz → g pre-selected.
Open the interactive oz → g converter:
Use main converter (oz → g) or switch to g → ozNeed pounds or kilograms too? Choose lb or kg on the homepage mass converter and swap units.
Quick reference: ounces to grams
The converter uses the standard factor 1 oz ≈ 28.3495 g. Rounded values:
| Ounces (oz) | Grams (g, approx.) |
|---|---|
| 1 oz | 28 g |
| 2 oz | 57 g |
| 4 oz | 113 g |
| 8 oz | 227 g |
| 12 oz | 340 g |
| 16 oz | 454 g (≈ 1 lb) |
Why convert ounces to grams?
Useful when you:
- Follow US or UK recipes that use ounces but your scales show grams.
- Compare nutrition labels between imperial and metric packaging.
- Weigh coffee, spices or supplements in a consistent metric unit.
- Ship parcels where your carrier charges by the gram or kilogram.
Related mass converters on this site
All mass units on the homepage (g, kg, oz, lb, stone, tonnes) convert via kilograms internally, so you can chain conversions confidently.