EngiRef / Mass conversion

Convert Ounces to Grams (oz to g)

1 oz = 28.3495231 g. Convert ounces to grams with the exact factor, a common-values table and a free converter.

MassSingle factor7 worked values

Conversion factor

g = oz × 28.3495231

1 oz = 28.3495231 g

Multiply by 28.3495231 g to go from ounces to grams, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.

oz to g table

Common ounces values converted to grams
Ounces (oz)Grams (g)
1 oz28.3495231 g
2 oz56.6990463 g
5 oz141.747616 g
10 oz283.495231 g
20 oz566.990463 g
50 oz1417.47616 g
100 oz2834.95231 g

Every figure is computed at build time by the site’s own converter from the mass unit registry. For a value that is not listed, put it into the interactive converter.

Frequently asked questions

How many grams are in one ounce?

One ounce is 28.3495231 g, so 100 oz is 2834.95231 g.

What is the formula to convert ounces to grams?

g = oz × 28.3495231. Multiply the value in ounces by 28.3495231 to get grams.

How do I convert grams back to ounces?

oz = g × 0.0352739619, so 1 g is 0.0352739619 oz. The g to oz page carries the same table in that direction.