12 Ounces in Grams

12 oz =

340.19 g

Multiply the weight by 28.3495

How to Convert 12 Ounces to Grams

To convert 12 ounces to grams: multiply the weight by 28.3495.

12 oz × 28.3495 = 340.19 g

One avoirdupois ounce is defined as exactly 28.349523125 grams by international agreement.

Common Ounces to Grams Conversions

Grams to Ounces

340.19 grams = 12 ounces. Use our Grams to Ounces converter for more conversions.