Axis

Mass & weight

kilogramkg

The SI base unit of mass.

Dimension
mass
Canonical signature
M
System
si
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 kg = 1 kg
Conversion type
linear
Historical notes
Defined through the fixed numerical value of the Planck constant (SI 2019).
Aliases
kilos, kilo, kilograms, kg mass

Same dimension

Related units

gramsigpoundimperial uslbmass ounceimperial usoztonnesi acceptedtmilligramsimgmicrogramsiµgnanogramsingpicogramsipg

Common conversions

Every conversion routes through the canonical base of the dimension.

1 kg = 1 kg

Exact relationship

10 kg = 10 kg

Exact relationship