Memorize these conversions or look them up if you can't remember them. 1 kilogram is equal to 2.20462262 pounds.
Round that number to 2.20 for easier calculations.
Multiply the number of kilograms that you are trying to convert by 2.20 to get the number in pounds. For example if you have 5 kilograms, you multiply 5 by 2.20 and get 11 pounds.
Memorize these conversions or look them up if you can't remember them. 1 kilogram is equal to 35.2739619 ounces.
Round that number to 35.27 for easier calculating.
Multiply the number of kilograms that you are trying to convert by 35.27 to get the number in ounces. For example if you have 5 kilograms, you multiply 5 by 35.27 and get 176.35 ounces.