Pounds to Kilograms Conversion

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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.

W_kg = W_lb × 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 or pound-mass (abbreviation: lb or lb_m) is a unit of mass in the British imperial and United States customary systems of measurement. Various definitions have been used for pound. The most common definition for today is the international avoirdupois pound, which is legally defined as exactly 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces.

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:

Pounds	Kilograms
0.25 lb	0.1134 kg
0.50 lb	0.2268 kg
0.75 lb	0.3402 kg
1 lb	0.4536 kg
2 lb	0.9072 kg
3 lb	1.3608 kg
4 lb	1.8144 kg
5 lb	2.268 kg
6 lb	2.7216 kg
7 lb	3.1751 kg
8 lb	3.6287 kg
9 lb	4.0823 kg
10 lb	4.5359 kg
20 lb	9.0718 kg
25 lb	11.3398 kg
50 lb	22.6796 kg
75 lb	34.0194 kg
100 lb	45.3592 kg