A Gram is a measure of mass.
It is roughly the mass of a cubic centimeter of water at
4°C. A packet of crisps has a mass of about 25 grams, written
There are 1000 grams in 1 kilogram. The International System
of Units abbreviation for the gram is g, and follows the numeric
value with a space, as in 200 g.
some fields and regions, the international standard symbols
for units are used quite strictly, in particular in technical
and scientific publications and in legally regulated product