How many grams are in an ounce?

1 ounce (oz) is equal to 28.34952312 grams. To convert ounces to grams, multiply your ounce figure by 28.34952312.

A conversion table for ounces and grams is below.

Ounces to grams conversions Ounces Grams Kilos, Grams
1 oz   28.35 grams   0 kg, 28.35 g  
2 oz   56.7 grams   0 kg, 56.7 g  
3 oz   85.05 grams   0 kg, 85.05 g  
4 oz   113.4 grams   0 kg, 113.4 g  
5 oz   141.75 grams   0 kg, 141.75 g  
6 oz   170.1 grams   0 kg, 170.1 g  
7 oz   198.45 grams   0 kg, 198.45 g  
8 oz   226.8 grams   0 kg, 226.8 g  
9 oz   255.15 grams   0 kg, 255.15 g  
10 oz   283.5 grams   0 kg, 283.5 g  
20 oz   566.99 grams   0 kg, 566.99 g  
30 oz   850.49 grams   0 kg, 850.49 g  
40 oz   1133.98 grams   1 kg, 133.98 g  
50 oz   1417.48 grams   1 kg, 417.48 g  
60 oz   1700.97 grams   1 kg, 700.97 g  
70 oz   1984.47 grams   1 kg, 984.47 g  
80 oz   2267.96 grams   2 kg, 267.96 g  
90 oz   2551.46 grams   2 kg, 551.46 g  
100 oz   2834.95 grams   2 kg, 834.95 g  
Conversions are rounded to max 2 decimal places  

The troy ounce is used for measuring precious metals and is different from the avoirdupois ounce used for cooking. There are 31.1034768 grams in a Troy ounce (t oz). Therefore, if you want to convert troy ounces to grams multiply your figure by 31.1034768 (or 31 for a rough conversion). Should you wish to convert to or from troy ounces, please use the weight converter tool.

This calculator helps you convert from ounces to grams, but we also have a range of other cooking converters available for free use, including cups and ounces and teaspoons and grams.