How many gigatonne in 1 grain?
The answer is 6.479891E-17.
We assume you are converting between gigatonne and grain.
You can view more details on each measurement unit:
gigatonne or grain
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1.0E-12 gigatonne, or 15432.358352941 grain.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigatonnes and grains.
Type in your own numbers in the form to convert the units!
1 gigatonne to grain = 1.5432358352941E+16 grain
2 gigatonne to grain = 3.0864716705883E+16 grain
3 gigatonne to grain = 4.6297075058824E+16 grain
4 gigatonne to grain = 6.1729433411766E+16 grain
5 gigatonne to grain = 7.7161791764707E+16 grain
6 gigatonne to grain = 9.2594150117649E+16 grain
7 gigatonne to grain = 1.0802650847059E+17 grain
8 gigatonne to grain = 1.2345886682353E+17 grain
9 gigatonne to grain = 1.3889122517647E+17 grain
10 gigatonne to grain = 1.5432358352941E+17 grain
You can do the reverse unit conversion from grain to gigatonne, or enter any two units below:
gigatonne to firkin
gigatonne to zentner
gigatonne to exagram
gigatonne to kip
gigatonne to carat
gigatonne to kilogram
gigatonne to drachme
gigatonne to millier
gigatonne to decitonne
gigatonne to chin
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigatonne = 109 tonnes.
The definition of a tonne is as follows:
A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 1000 kg (= 106 g).