Milogram is not an English word.
You cannot convert percentages to pounds. Percentages are comparisons of two related quantities so you can have one lot of pounds as a percentage of another lot, but not by itself. Otherwise you would be able to convert 25% of an inch into a pound!
Multiply the number of kilograms by 1,000,000 to get the same mass expressed in milligrams.
To convert decimals into percentages, multiply by 100. 3.5 is 350%
Not a snake
Convert it.
6
150
1000ml
mass into parts per hundred ..... can't be done.
The simplest way is to convert them to like fractions, or percentages.
0.423x10-6 There are 1,000,000 milligrams in a kilogram
5-325 mg