How many megatonne in 1 Gg? The answer is 0.001. We assume you are converting between megatonne and gigagram. You can view more details on each measurement unit: megatonne or Gg The SI base unit for mass is the kilogram. 1 kilogram is equal to 1.0E-9 megatonne, or 1.0E-6 Gg. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between megatonnes and gigagrams. Type in your own numbers in the form to convert the units!
1 megatonne to Gg = 1000 Gg
2 megatonne to Gg = 2000 Gg
3 megatonne to Gg = 3000 Gg
4 megatonne to Gg = 4000 Gg
5 megatonne to Gg = 5000 Gg
6 megatonne to Gg = 6000 Gg
7 megatonne to Gg = 7000 Gg
8 megatonne to Gg = 8000 Gg
9 megatonne to Gg = 9000 Gg
10 megatonne to Gg = 10000 Gg
You can do the reverse unit conversion from Gg to megatonne, or enter any two units below:
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megatonne = 106 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).
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigagram = 109 grams-force.
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