Convert Ounces to Grams
oz to g · weight & mass conversion
What are ounces and grams?
An ounce is 1/16 of a pound (about 28.35 g), common for food portions and mail in the US. A gram is one-thousandth of a kilogram, about the mass of a small paperclip. For scale: a 70 kg adult weighs about 154 lb, and a bag of sugar is usually 1 kg (2.2 lb).
How to convert ounces to grams
1 oz = 28.3495 g. To convert, multiply the number of ounces by 28.3495. For example, 5 oz = 141.748 g, and 20 oz = 566.99 g. To go the other way, multiply grams by 0.035274 (since 1 g = 0.035274 oz).
Ounces to Grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 5 | 141.748 |
| 10 | 283.495 |
| 25 | 708.738 |
| 50 | 1,417.48 |
| 100 | 2,834.95 |
FAQ
What is 1 oz in g?
1 oz = 28.3495 g. To convert any amount, multiply the number of ounces by 28.3495.
How do I convert grams back to ounces?
Go the other way: 1 g = 0.035274 oz, so multiply grams by 0.035274 to get ounces.
Is a ounce bigger than a gram?
Yes — 1 oz is the larger unit, equal to 28.3495 g.
Are these weight & mass conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.