To convert pounds to kilograms, the formula "lbs / 2.2 = kilograms" is used. Converting pounds to kilograms is not as complicated as doing other metric conversions, because both measurements are standard units of mass, the conversion is quite straightforward.Continue Reading
First, know the exact number of pounds to be converted into kilograms. Have this number available to complete the conversion.
Converting from pounds to kilograms involves division with decimals. As such, it is easier to do the conversion with a calculator or some other electronic calculating device.
To find out how many kilograms are equal to a specific number of pounds, divide the pounds by 2.2. This gives you a close answer. Following this method, 4 pounds divided by 2.2 is 1.81 kilograms. If the conversion needs to be more exact, divide the number of pounds by 2.2046 for a more precise answer.