Pound (lb)
The pound (lb) is the base mass unit of US customary practice.
- Origin
- Defined internationally since 1959 as exactly 0.45359237 kg.
- Where it is used
- Used for loads, material weights and equipment ratings on US projects.
- Relation to SI
- 1 lb = 0.45359237 kg exactly, so 1 kg is about 2.2046 lb.