Full name: petajoule
Plural form: petajoules
Symbol: PJ
Category type: energy
Scale factor: 1.0E+15
The SI derived unit for energy is the joule.
1 joule is equal to 1.0E-15 petajoule.
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The SI prefix "peta" represents a factor of 1015, or in scientific notation, 1E15.
So 1 petajoule = 1015 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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