Convert Ounces (oz) to Grams (g)
Convert ounces (oz) to grams (g): 1 oz equals about 28.3495 g, so multiply ounces by 28.3495. Useful for cooking, postage and small weights.
Formula
1 oz = 28.349523 g
To convert oz to g, multiply the value by 28.349523.
Conversion Table
| Ounces (oz) | Grams (g) |
|---|---|
| 0.01 oz | 0.2835 g |
| 0.1 oz | 2.835 g |
| 0.5 oz | 14.1748 g |
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 5 oz | 141.7476 g |
| 10 oz | 283.4952 g |
| 15 oz | 425.2428 g |
| 20 oz | 566.9905 g |
| 25 oz | 708.7381 g |
| 50 oz | 1417.4761 g |
| 100 oz | 2834.9523 g |
| 250 oz | 7087.3808 g |
| 500 oz | 14174.7615 g |
| 1000 oz | 28349.523 g |
| 2500 oz | 70873.8075 g |
| 5000 oz | 141747.615 g |
| 10000 oz | 283495.23 g |
| 50000 oz | 1417476.15 g |
Common oz to g Examples
- 1 oz = 28.3495 g
- 5 oz = 141.7476 g
- 10 oz = 283.4952 g
- 25 oz = 708.7381 g
- 50 oz = 1417.4761 g
- 100 oz = 2834.9523 g
- 500 oz = 14174.7615 g
- 1000 oz = 28349.523 g
About oz to g
One avoirdupois ounce is about 28.3495 grams, so oz × 28.3495 = g — for example 4 oz = 113.4 g. A rough kitchen estimate is 1 oz is about 28 g.
Ounces appear in US and UK recipes, food packaging and postal rates, while grams are the metric standard. Note this is the avoirdupois ounce; the troy ounce used for gold and silver is heavier, about 31.103 g.
Frequently Asked Questions
Where does the unit g come from?
Grams is a Weight & Mass unit with its own historical and regional roots, now defined in relation to internationally agreed reference standards.
Where does the unit oz come from?
Ounces is a standard Weight & Mass unit used in specific regions or fields. Its definition has been refined over time to match international measurement standards.
Is the conversion from oz to g exact?
The ratio 28.349523 is defined to high precision and is exact for most practical purposes. Rounding only matters when many decimal places are needed.
How do I convert oz to g by hand?
Take the value in oz and multiply the value by 28.349523. The result is the same value expressed in g.
What is the formula to convert oz to g?
The formula is 1 oz = 28.349523 g. To convert any value, multiply the value by 28.349523.
How much is 1 oz in g?
1 oz equals 28.349523 g. This ratio applies to every conversion between the two units.