ConverterStack
Current theme: System
โ† Unit definitions

Pound(lb)

The pound is a mass unit in the imperial and US customary systems, equal to exactly 0.45359237 kilograms.

Reviewed

Symbol
lb
Quantity
Mass
Measurement system
Imperial and US customary
SI classification
Non-SI unit
Reference unit
Kilogram
Exact relationship
1 lb = 0.45359237 kg exactly

What the pound is

Pounds are widely used for body weight, shipping, and everyday mass measurement in customary systems, while kilograms dominate the SI world.

Convert Pound