About 6.35 kg in one stone.
1 stone = 6.35kg
21.5 kg = 3.3 stone
98 kg = 15.43 stone
6 stone = 38.10175 kg
12 kg = 1.8 stone
83 kg = about 13.1 stone.
19 stone = 120.655kg
8 stone = 50.8 kg
1 stone = 6.4kg
37.58 kilograms.
336.56 kg
5.8 kg = 0.9 stone