Gigatonnes to Grains conversion
Enter gigatonnes value you wish to convert:
Gigatonne is a prefixed form used to indicate multiples of tonne.
1 gigatonne = 109 tonne = 1015 gram
Grain is a unit of mass in the Imperial system of weights and measures. Grain is the fundamental unit of avoirdupois system and is nominally based on the grain of barley.
1 grain = 1/7000 pound