KILOGRAM A kilogram (kg) is a unit of mass defined as the weight of one liter of water.
(KILOGRAM; is; a unit of mass defined as the weight of one liter of water) (a unit of mass; defined; as the weight of one liter of water)
KILOGRAM a unit of mass
is defined
a unit of mass defined as the weight of one liter of water
as the weight of one liter of water