How many megatonne in 1 gigaton? The answer is 1000. We assume you are converting between megatonne and gigatonne. You can view more details on each measurement unit: megatonne or gigaton The SI base unit for mass is the kilogram. 1 kilogram is equal to 1.0E-9 megatonne, or 1.0E-12 gigaton. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between megatonnes and gigatonnes. Type in your own numbers in the form to convert the units!
1 megatonne to gigaton = 0.001 gigaton
10 megatonne to gigaton = 0.01 gigaton
50 megatonne to gigaton = 0.05 gigaton
100 megatonne to gigaton = 0.1 gigaton
200 megatonne to gigaton = 0.2 gigaton
500 megatonne to gigaton = 0.5 gigaton
1000 megatonne to gigaton = 1 gigaton
You can do the reverse unit conversion from gigaton 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 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).
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