Troy ounce oz t
About the Troy ounce
The troy ounce is 480 grains, exactly 31.1034768 grams, about 10 per cent heavier than the avoirdupois ounce. Gold, silver, platinum and palladium are priced worldwide in troy ounces. The name is usually traced to the market town of Troyes in France.
Related Units
Troy pound
lb t373.2417216 g (5760 grains, exact)
The troy pound is 12 troy ounces, exactly 373.2417216 grams, and so lighter than the avoirdupois pound of 16 smaller...
Pennyweight
dwt1.55517384 g (24 grains, exact)
The pennyweight is 24 grains, one twentieth of a troy ounce, exactly 1.55517384 grams. It was originally the weight of...
Kilogram
kgBase unit; h = 6.62607015 × 10⁻³⁴ J·s exactly
The kilogram is defined by fixing the Planck constant at exactly 6.62607015 × 10⁻³⁴ joule-seconds. Until 20 May 2019 it...
Tonne
t1 t = 1000 kg (exact)
The tonne, or metric ton, is one thousand kilograms, equal to one megagram. It lies between the US short ton of...