Definition: The International System of Units' fundamental unit of mass is the kilogram (symbol: kg) (SI). It is now defined in terms of the Planck constant, h, which has a fixed numerical value of 6.62607015 10-34 in the units of Js, or kgm2s-1. In terms of c, the speed of light, and vCs, the cesium frequency, the meter and the second are defined. The kilogram's physical size didn't change in 2019, even though the definition of the unit did. Instead of really altering how the units are used around the world, the changes were made to enhance how SI basic units are defined.

Definition: The imperial and US customary systems of measurement both utilize the unit of mass known as the pound (symbol: lb). The precise weight of the international avoirdupois pound, or today's standard pound, is 0.45359237 kilos. 16 avoirdupois ounces make up an avoirdupois pound.

How to convert Kilograms to Pounds (Kgs to Ibs)
1 kilogram (kg) is equal to 2.20462262185 pounds (lbs) or about 2.2 pounds (Ibs)

1 kg = 2.20462262185 lbs

The mass m in pounds (lb) is equal to the mass m in kilograms (kg) divided by 0.45359237:

m(lb) = m(kg) / 0.45359237

Convert 5kg to pounds:

m(lb) = 5 kg / 0.45359237 = 11.023 lb
A simple to convert without you having to remember the complicated numbers: