How grams and ounces are converted
This converter uses the standard avoirdupois ounce used for everyday weights.
ounces = grams ÷ 28.349523125; grams = ounces × 28.349523125
- Divide grams by 28.349523125 to find ounces.
- Multiply ounces by 28.349523125 to find grams.
- Divide ounces by 16 to find pounds, or grams by 1,000 to find kilograms.
Worked example: 100 g ÷ 28.349523125 = 3.5274 oz. In the other direction, 8 oz = 226.7962 g.
Common weights in grams and ounces
| Grams | Ounces | Pounds |
|---|---|---|
| 1 g | 0.0353 oz | 0.0022 lb |
| 10 g | 0.3527 oz | 0.022 lb |
| 28.35 g | 1 oz | 0.0625 lb |
| 50 g | 1.7637 oz | 0.1102 lb |
| 100 g | 3.5274 oz | 0.2205 lb |
| 250 g | 8.8185 oz | 0.5512 lb |
| 500 g | 17.637 oz | 1.1023 lb |
| 1,000 g | 35.274 oz | 2.2046 lb |
Swipe the table sideways to see the rest.
Standard weight ounces, not fluid ounces. Values are rounded for display.
Things to consider
- Use weight ounces, not fl oz, when following a recipe by weight.
- Weigh ingredients directly. A cup's weight depends on the ingredient and how it is packed.
- For postage, include the packaging weight and check the carrier's rounding rules.
- For gold or silver, check whether the quoted weight uses troy ounces.
Frequently asked questions
How many grams are in an ounce?
One standard ounce is exactly 28.349523125 grams, usually rounded to 28.35 g.
How many ounces is 100 grams?
100 grams is approximately 3.5274 ounces.
How many grams is 8 ounces?
8 ounces is exactly 226.796185 grams, displayed here as 226.7962 g.
Are ounces and fluid ounces the same?
No. Ounces measure weight; fluid ounces measure volume. To convert a liquid's volume to grams, you also need its density.
Does this converter use troy ounces?
No. It uses standard avoirdupois ounces. A troy ounce is 31.1034768 grams and is commonly used for precious metals.
Results are estimates for general information only, not financial, medical or professional advice.