The symbol for the gigagram, a metric unit of mass equal to 1 000 000 000 grams.

giga

Symbol: G

A metric prefix equivalent to 10^{9} (1 000 000 000)

gigagram

Symbol: Gg

A metric unit of mass equivalent to 10^{9} (1 000 000 000) grams.

gigaliter

Symbol: Gl

Alternate symbols: GL

A metric unit of volume equivalent to 10^{9} (1 000 000 000) liters.

gigameter

Symbol: Gm

A metric unit of length equivalent to 10^{9} (1 000 000 000) meters.

Gl

Alternate symbols: GL

The symbol for the gigaliter, a metric unit of volume equal to 1 000 000 000 liters.

Gm

The symbol for the gigameter, a metric unit of length equal to 1 000 000 000 meters.

gm

An incorrect symbol commonly used for the gram. This should never be used. The correct symbol is g

gr

An incorrect symbol commonly used for the gram. This should never be used. The correct symbol is g

gram

Symbol: g

A very common metric unit of mass, defined as exactly 1/1000th of a kilogram.

Originally this unit was defined as the mass of a cubic centimeter of pure water. This was not an accurate definition and in 1889 it was changed to its current definition.