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Ounces to Grams Converter

Type in either box — grams and ounces update together.

Formula

1 oz = 28.3495 g   |   1 g = 0.035274 oz   |   1 lb = 16 oz = 453.592 g

Quick Chart

OuncesGrams
1 oz28.3 g
4 oz113.4 g
8 oz226.8 g
16 oz (1 lb)453.6 g

FAQ

Is a troy ounce different?

Yes — precious metals use the troy ounce of 31.1035 g, about 10% heavier than the standard avoirdupois ounce of 28.3495 g.

How many grams in a pound?

453.592 g. Divide by 16 for ounces: 1 lb = 16 oz.