Convert 42 Joules to Kilojoules
How much energy is 42 joules? How many kilojoules are in 42 joules? 42 J to kJ conversion.
From
To
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42 Joules =
0.042 Kilojoules
exact result
Decimal places
Result in Plain English
42 joules is equal to exactly 0.042 kilojoules.
To a Percentage
42 joules = 4.2% of a kilojoule.
Result as a Fraction
42 joules
= 21⁄500 kilojoules
In Scientific Notation
42 joules
= 4.2 x 101 joules
= 4.2 x 10-2 kilojoules