How many millijoule in 1 megaton?
The answer is 4.184E+18.
We assume you are converting between millijoule and megaton [explosive].
You can view more details on each measurement unit: millijoule or
megaton
The SI derived unit for energy is the joule.
1 joule is equal to 1000 millijoule, or 2.3900573613767E-16 megaton.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millijoules and megatons.
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You can do the reverse unit conversion from
megaton to millijoule, or enter any two units below:

The SI prefix "milli" represents a factor of
10^{-3}, or in exponential notation, 1E-3.

So 1 millijoule = 10^{-3} joules.

The definition of a joule is as follows:

The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).

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