Pounds to kilograms (lbs to kg) weight units conversion factor is 0.45359237. To find out how many kilograms in pounds, multiply the kilogram value by the conversion factor or use the converter.
1 Pound = 0.45359237 Kilogram
There are 0.45359237 kilograms in a pound, because one kilogram is defined as the mass of one liter of water and the same amount of water equals to 2.20462262 pounds.
Pound is a unit of mass in imperial and US customary systems and defined as 0.45359237 kilogram. The abbreviation is "lb".
Kilogram (kilo) is the base unit of mass in metric system. 1 kilogram is 2.204 pounds or 35.274 ounces. The abbreviation is "kg".