You might, if your solving a word problem and the units were kilograms or milligrams.
There are 1000000 milligrams in a kilogram. So 17 milligrams will be 0.000017 kilograms.
You would use kilograms rather than milligrams to use a bike. To measure with milligrams, it would be a very big number. 1,000 milligrams = 1 gram 1,000 grams = 1 kilogram To get pounds, multiply the number of kilograms by 2.2. Example: A bike weighs 5 kilograms. The bike weighs 11 pounds. If a bike weighs 5 kilograms, multiply by 1,000,000 to get milligrams because 1 kilogram is 1,000 grams and 1 gram weighs 1,000 milligrams. The bike would weigh 5,000,000 milligrams. This is why you would weigh a bike with kilograms instead of milligrams.
There are 1000000 milligrams in a kilogram. Therefore 7 kilograms is 7,000,000 milligrams.
There are 2,023,000,000 milligrams in 2.023x10^3 kilograms.
0.019 kilograms = 19 grams = 19,000 milligrams
Grams, beacuase that would be like a ton of milligrams and .0000... Kilograms.
I think u would use kilograms
280 kilograms = 280,000,000 milligrams
8,000,000 milligrams = 8 kilograms
6014 milligrams = 0.006014 kilograms
There are 8.675309 kilograms in 8675309 milligrams.
250,000 milligrams is 0.25 kilograms.