lb
kg

How to convert pounds to kilograms

1 pound is equal to 0.4535924 kilograms:

1 lb = 0.4535924 kg

When a weight W in pounds is multiplied by 0.4535924, it gives weight in kilograms.

Wkg = Wlb × 0.4535924


Example

To convert 20 pounds into kilograms, it is multiplied by 0.4535924:

(20 lb) × 0.4535924 = 9.0718474 kg

Pound

The pound (abbreviation: lb or lbm) is a unit of mass in the British imperial and United States customary systems of measurement. It is equal to ​0.45359237 kilograms.

Kilograms

The kilogram is the base unit of mass in the International System of Units (SI). The SI symbol of kilogram is kg. The kilogram was originally defined in 1795 as the mass of one liter of water. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo in everyday speech.

Quick Conversion Table

The quick pound to kilogram conversion table is given below:

PoundsKilograms
0.25 lb0.1134 kg
0.50 lb0.2268 kg
0.75 lb0.3402 kg
1 lb0.4536 kg
2 lb0.9072 kg
3 lb1.3608 kg
4 lb1.8144 kg
5 lb2.268 kg
6 lb2.7216 kg
7 lb3.1751 kg
8 lb3.6287 kg
9 lb4.0823 kg
10 lb4.5359 kg
20 lb9.0718 kg
25 lb11.3398 kg
50 lb22.6796 kg
75 lb34.0194 kg
100 lb45.3592 kg