1 kilogram is equivalent to about 2.205 pounds. So, for example, to change 5 kilograms to pounds, one would multiply the 5 by 2.205. This would be give you 11.025 pounds.
There are approximately 2.2 pounds per kilogram. To calculate the number of pounds you have given a certain number of kilograms, multiply the number of kilograms by 2.2.