2.4kgs = 2400 grams.
3.5kgs = 3500 grams.
6.4kgs = 6400 grams
0.450kgs = 450 grams
60kgs = 60,000 grams.
6000
2000g are in 2kg
450,000 grams are in 450 kilograms.
divide by 2.2 to get in kgs then multiply by 1000 to get it in grams
6,780 grams is 6.78 kilograms.
12.7 stone = 80 kgs 649 grams
1 kilogram is equivalent to 1000 grams.