You can use conversion factors. (This will look messy with fractions and exponents, but I hope you can understand.) 1 kg/1 * 1000 g/1 kg * 1000 mg/1 g
(The kg's and g's will cancel, leaving you with mg/1, or just mg.)
You can also use scientific notation values.
1 kg/1 * 10^3 g/1 kg * 10^3 mg/1 g
Either way, you end up with 1000*1000 or 10^3*10^3, which is 1,000,000.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 2.5 kilograms is equal to 0.25 x 1000000 = 250000 milligrams.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 452 milligrams is equal to 452/1000000 = 0.000452 kilograms.
There are 0.000001 kilograms in a milligram.
There are 1 000 000 milligrams in one kilogram.
There are 1000000 milligrams in a kilogram. Therefore 200 milligrams is 0.0002 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 500 milligrams is equal to 500/1000000 = 0.0005 kilograms.
There are 1000 x 1000 = 1000000 milligrams in one kilogram. Therefore, 35 milligrams is equal to 35/1000000 = 0.000035 kilograms.
There are 1000000 milligrams in a kilogram. Therefore 10 kilos is 10,000,000 milligrams.
One kilogram is equal to 1000000 milligrams. Therefore, 89 milligrams is equal to 89/1000000 = 0.000089 kilograms.
One kilogram is equal to 1000000 milligrams. Therefore, 263 milligrams is equal to 263/1000000 = 0.000263 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 30 kilograms is equal to 30 x 1000000 = 30000000 milligrams.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 5.2 milligrams is equal to 5.2 x 1000000 = 5200000 milligrams.
There are 1000000 milligrams in one kilogram. Therefore, 2000000 milligrams is equal to 2000000/1000000 = 2 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 20 milligrams is equal to 20/1000000 = 0.00002 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 4 milligrams is equal to 4/1000000 = 0.000004 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 89.3 milligrams is equal to 89.3/1000000 = 0.0000893 kilograms.
One kilogram is equal to 1000 x 1000 = 1000000 milligrams. Therefore, 500 milligrams is equal to 500/1000000 = 0.0005 kilograms.