Axis

Historical mass

uncia (Roman ounce)uncia

One twelfth of a libra, about 27.3 g.

Dimension
mass
Canonical signature
M
System
roman
Exactness
Historically approximate

Definition record

How this unit is defined

Canonical base
1 uncia = 0.0272875 kg
Conversion type
linear
Aliases
Roman ounce

Same dimension

Related units

kilogramsikggramsigpoundimperial uslbmass ounceimperial usoztonnesi acceptedtmilligramsimgmicrogramsiµgnanogramsing

Common conversions

Every conversion routes through the canonical base of the dimension.

1 uncia = 0.0272875 kg

Historically approximate relationship

10 uncia = 0.272875 kg

Historically approximate relationship