It depends on what you are weighing (steel, wheat wool etc). Stones vary in weight between 8 and 14 lb.
For human weight a stone is equal to 14 lb (approximately 62.3 Newtons if you are fastidious about mass and weight) or 6.35 kg.
20 stone (note the plural of stone is stone) is 280 lb. or 127 kg. (or of course 1246 N.)
25 kilograms = 55.1 pounds.
5 stone is 31.8kg
A stone is equivalent to 6.35 kilograms. Therefore, if your bag weighs five stone, it would weigh approximately 31.75 kilograms.
1 stone 5.5 pounds = 8.84 kilograms.
First take the weight in Kilograms and multiply it by 0.453. This would give the weight in kilograms. So in this case the answer is 11.33 kilograms.
There are approximately 11.34 kilograms in 25 pounds.
3 kilograms = 0.47 stone
7 stone is 44.5 kilograms.
6 stone is 38 kilograms.
55 kilograms is 8.7 stone.
8.48 stone is 53.85 kilograms.
66 kilograms is 10.4 stone.