How much does a troy ounce weigh?

31.1035 g (1.1 oz). 31.1034768 g, about 10% heavier than a normal ounce. Gold and silver are priced in troy ounces.

31.1035 gAbout 1.1 oz · Pocket

31.1034768 g, about 10% heavier than a normal ounce. Gold and silver are priced in troy ounces.

That's as heavy as about 1,200 grains of rice.

31.1035 g

a ping pong ball

By weight: a troy ounce is about 12× heavier than a ping pong ball.

Things about the same weight

Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].