Things You'll Need
Instructions
Divide the number of pounds by 2.20462262 to convert it to kilograms. For example, if an object weighs 5 pounds, divide it by 2.20462262 to get 2.6796. If you need a general number, rather than an exact number, you can divide the number of pounds by 2.2.
Multiply the number of inches by 2.54 to convert it to centimeters. For example, if an object is 12 inches long, multiply it by 2.54 to get 30.48 centimeters.
Reverse the process to convert kilograms to pounds or centimeters to inches. If you want to convert kilograms to inches, multiply the number of kilograms by 2.20462262 to convert it to pounds. Divide the number of centimeters by 2.54 to get the number of inches.