Definition:Metric System/Mass/Gram

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The gram is the CGS base unit of mass.

It is defined as the mass of a cubic centimetre water at the temperature of melting ice.

Conversion Factors

\(\ds \) \(\) \(\ds 1\) gram
\(\ds \) \(=\) \(\ds 10^{-3}\) kilogram


$\mathrm g$

The symbol for the gram is $\mathrm g$.

The $\LaTeX$ code for \(\mathrm g\) is \mathrm g .

Also see

Historical Note

The gram was defined on 7 April 1795 to be equal to:

the mass of a volume of water equal to the cube of the hundredth part of the metre, at the temperature of melting ice.

Linguistic Note

The original British English spelling of gram was gramme.

However, this is rarely used nowadays, as the American gram is now the international standard.