1 mg = 10^-3 grams 1 kg = 10^3 grams
Since you're converting to a larger value with a larger prefix, the number will go down.
400 mg = 0.4 grams
0.4 grams = .0004 kg
400 mg lead in each kilogram of soil.
1,000 grams in a kilogram.
400 grams is 0.4 of a kilogram.
400 mg = 0.4 g
400 mg = 0.014109 oz
There are 1,000 milligrams (mg) in a kilogram (kg).
1,000,000 mg = 1 kg
1 kg = 1000000 mg
400
There are 1000 grams in one kilogram. Therefore, 1 kilogram - 400 grams is equal to 1000 - 400 = 600 grams.
0.0004
There are 1 million milligrams (mg) in one kilogram (kg).