Axis

Historical mass

libra (Roman pound)libra

The Roman pound of about 327 g.

Dimension
mass
Canonical signature
M
System
roman
Exactness
Historically approximate

Definition record

How this unit is defined

Canonical base
1 libra = 0.32745 kg
Conversion type
linear
Historical notes
Surviving standards range from about 322 to 329 g.
Aliases
Roman pound

Same dimension

Related units

kilogramsikggramsigpoundimperial uslbmass ounceimperial usoztonnesi acceptedtmilligramsimgmicrogramsiµgnanogramsing

Common conversions

Every conversion routes through the canonical base of the dimension.

1 libra = 0.32745 kg

Historically approximate relationship

10 libra = 3.2745 kg

Historically approximate relationship