Grams to Ounces Converter

Convert grams to ounces or ounces to grams. Choose Avoirdupois or Troy. Clean, quick and accurate.

Rounding

Presets

Conversion factors 1 oz (Avoirdupois) = 28.349523125 g 1 oz (Troy) = 31.1034768 g

More conversions live in the conversion tools hub.

How it works

For everyday goods, ounces mean the Avoirdupois ounce at 28.349523125 g. For precious metals, the troy ounce is 31.1034768 g. Choose the system and convert either way.

oz = g ÷ g_{per oz}
g = oz × g_{per oz}

When this helps

Cooking, nutrition and parcel weights
Jewellery and bullion (use Troy)
Spec sheets that mix metric and imperial

Explore more in the conversion tools hub.