Traditional Unit of Weight for Gold
1 troy ounce = 31.1034807 grams
1 troy ounce = 480 grains
1 troy ounce = 20 pennyweights
3.75 troy ounces = 10 tolas (Indian sub-continent)
6.02 troy ounces = 5 taels (Chinese)
32.15 troy ounces = 1 kilogram
32,150 troy ounces = 1 metric ton (1,000 kilos)