140 lbs how many kg

The kilogram kg is the SI unit of mass. It is equal to the mass of the international prototype of the kilogram. This prototype is a platinum-iridium international prototype kept at the International Bureau of Weights and Measures.

One kg is approximately equal to 2. To calculate a pound value to the corresponding value in kg, just multiply the quantity in pounds by 2.

What is lbs in kg? How many kilograms in pounds? Definition of pound One pound , the international avoirdupois pound, is legally defined as exactly 0. Definition of kilogram The kilogram kg is the SI unit of mass. You can do the reverse unit conversion from kg to lbs , or enter any two units below:.

The pound abbreviation: lb is a unit of mass or weight in a number of different systems, including English units, Imperial units, and United States customary units. Its size can vary from system to system. The most commonly used pound today is the international avoirdupois pound. The international avoirdupois pound is equal to exactly The definition of the international pound was agreed by the United States and countries of the Commonwealth of Nations in In the United Kingdom, the use of the international pound was implemented in the Weights and Measures Act An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7, grains.

The kilogram or kilogramme, symbol: kg is the SI base unit of mass. A gram is defined as one thousandth of a kilogram. Conversion of units describes equivalent units of mass in other systems.