Definition:Gram

Definition

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.

$\ds $

$\ds 1$

gram

$\ds $

$=$

$\ds 10^{-3}$

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

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.

The original British English spelling of gram was gramme.

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

1951: B. Hague: An Introduction to Vector Analysis (5th ed.) ... (previous) ... (next): Chapter $\text I$: Definitions. Elements of Vector Algebra: $1$. Scalar and Vector Quantities
1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $3$: The Laws of Motion: Mass