How many megatonne in 1 million tonnes? The answer is 1. We assume you are converting between megatonne and million metric tonne. You can view more details on each measurement unit: megatonne or million tonnes The SI base unit for mass is the kilogram. 1 kilogram is equal to 1.0E-9 megatonne, or 1.0E-9 million tonnes. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between megatonnes and million tonnes. Type in your own numbers in the form to convert the units!
1 megatonne to million tonnes = 1 million tonnes
5 megatonne to million tonnes = 5 million tonnes
10 megatonne to million tonnes = 10 million tonnes
20 megatonne to million tonnes = 20 million tonnes
30 megatonne to million tonnes = 30 million tonnes
40 megatonne to million tonnes = 40 million tonnes
50 megatonne to million tonnes = 50 million tonnes
75 megatonne to million tonnes = 75 million tonnes
100 megatonne to million tonnes = 100 million tonnes
You can do the reverse unit conversion from million tonnes 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).
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