Axis

Mass & weight

poundlb

The international avoirdupois pound.

Dimension
mass
Canonical signature
M
System
imperial us
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 lb = 0.45359237 kg
Conversion type
linear
Historical notes
A unit of mass; pound-force is a force, not interchangeable.
Aliases
lbs, lbm, pound mass, pounds

Same dimension

Common conversions

Every conversion routes through the canonical base of the dimension.

1 lb = 0.45359237 kg

Exact relationship

10 lb = 4.5359237 kg

Exact relationship