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Kilogram
ID: kilogram
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Kilogram
by
Wikipedia Bot
1
A
kilogram
(kg) is
a
unit of
mass
in the International
System of Units
(SI). It is defined
as
being equal to the
mass
of the International Prototype of the
Kilogram
,
a
platinum-iridium
cylinder
that was kept at the International Bureau of
Weights
and
Measures
(BIPM) in
France
.
0
Kilogram
by
Ciro Santilli
40
Updated
2025-07-16
Unit of
mass
.
Defined in the
2019 redefinition of the SI base units
via the
Planck constant
. This was possible due to the development of the
Kibble balance
.
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