Ounces to grams (oz to g)
Convert ounces to grams (× 28.349523125 exactly), with a table from ¼ oz to 2 lb.
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Grams = ounces × 28.349523125, exactly, because the pound is 0.45359237 kg and an ounce is 1/16 of it. A US stick of butter (4 oz) is 113.4 g, 8 oz is 226.8 g and 16 oz (1 lb) is 453.59 g.
US recipes and nutrition labels give weights in ounces; kitchen scales outside the US read grams. For cups and spoons, which measure volume, use the cups-to-grams converter instead. Fluid ounces (fl oz) are also volume and need a density to become grams.
How to use it
- Type the value in the first box; the converted value appears in the second box as you type.
- Or type in the second box to convert the other way.
- Use the Decimals menu to round, and the quick-reference table for common values.
Frequently asked questions
How many grams are in 1 oz?
28.349523125 g exactly, about 28.35 g.
How many grams is 8 oz?
226.8 g, half a pound.
Is 1 oz 30 g?
Only approximately. Some nutrition labels round 1 oz to 28 g or 30 g; the exact value is 28.35 g.
How do I convert pounds and ounces to grams?
Multiply the pounds by 16, add the ounces, then multiply by 28.3495: 2 lb 4 oz = 36 oz = 1020.6 g.
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