Measurements

Ounces to grams

Convert avoirdupois ounces (the everyday weight ounce used in recipes and shipping) to grams. 1 oz is exactly 28.349523125 g.

oz
g

g = oz × 28.3495

Quick reference

Common amountozg
1/2 oz 0.5 oz 14.17 g
1 oz 1 oz 28.35 g
1/4 lb 4 oz 113.4 g
1/2 lb 8 oz 226.8 g
1 lb 16 oz 453.6 g
2 lb 32 oz 907.2 g

About this conversion

This is the avoirdupois ounce used for everyday weights. The troy ounce, used for precious metals, is 31.1034768 g — heavier. Fluid ounces are a volume, not a weight, and do not convert to grams without knowing the liquid.