Pound [lb] to Kilogram [kg] Converter

Quick Reference

1 Pound (lb) = 0.453592 Kilogram (kg)

1 Kilogram (kg) = 2.20462442 Pound (lb)

Origin value

Target value

Round result

How to Convert Pound to Kilogram

1 lb = 0.453592 kg
1 kg = 2.20462442 lb

To convert Pound to Kilogram, divide the value by 2.20462442 (equivalently, multiply by 0.453592). To convert Kilogram back to Pound, multiply by 2.20462442.

Example: convert 10 lb to kg:
10 lb = 10 x 0.453592 = 4.53592 kg

↔ Convert Kilogram to Pound

Pound

Definition: A pound (symbol: lb) is a unit of mass in the imperial and US customary systems of measurement. It is equal to 16 ounces or approximately 0.4536 kilograms.

History/origin: The pound has ancient origins and has been used in various forms for centuries. The avoirdupois pound is the most common type of pound used today.

Current use: Pounds are widely used for measuring the weight of people, food items, and other objects in countries that use the imperial or US customary systems.

Kilogram

Definition: A kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI). It is equal to 1000 grams.

History/origin: The kilogram was originally defined as the mass of a specific artifact called the International Prototype Kilogram (IPK), a platinum-iridium cylinder. In 2019, the definition was redefined based on fundamental physical constants.

Current use: Kilograms are used for measuring the mass of larger objects, such as people, packages, and vehicles. It's a standard unit in commerce, engineering, and science.

Pound to Kilogram Conversion Table

Pound [lb]	Kilogram [kg]
1 lb	0.453592 kg
2 lb	0.907184 kg
5 lb	2.26796 kg
10 lb	4.53592 kg
20 lb	9.07184 kg
50 lb	22.6796 kg
100 lb	45.3592 kg
200 lb	90.7184 kg
500 lb	226.796 kg
1000 lb	453.592 kg