››Measurement unit: petajoule

Full name: petajoule

Plural form: petajoules

Symbol: PJ

Category type: energy

Scale factor: 1.0E+15

››SI unit: joule

The SI derived unit for energy is the joule.
1 joule is equal to 1.0E-15 petajoule.

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››Definition: Petajoule

The SI prefix "peta" represents a factor of 1015, or in exponential 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).

››Sample conversions: petajoule

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