How many gigatonne in 1 millimegagram? The answer is 1.0E-12. We assume you are converting between gigatonne and millimegagram. You can view more details on each measurement unit: gigatonne or millimegagram The SI base unit for mass is the kilogram. 1 kilogram is equal to 1.0E-12 gigatonne, or 1 millimegagram. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigatonnes and millimegagrams. Type in your own numbers in the form to convert the units!
1 gigatonne to millimegagram = 1000000000000 millimegagram
2 gigatonne to millimegagram = 2000000000000 millimegagram
3 gigatonne to millimegagram = 3000000000000 millimegagram
4 gigatonne to millimegagram = 4000000000000 millimegagram
5 gigatonne to millimegagram = 5000000000000 millimegagram
6 gigatonne to millimegagram = 6000000000000 millimegagram
7 gigatonne to millimegagram = 7000000000000 millimegagram
8 gigatonne to millimegagram = 8000000000000 millimegagram
9 gigatonne to millimegagram = 9000000000000 millimegagram
10 gigatonne to millimegagram = 10000000000000 millimegagram
You can do the reverse unit conversion from millimegagram to gigatonne, or enter any two units below:
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).
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millimegagram = 10-3 megagrams.
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