How to convert energy of 2 kilojoules (kJ) to joules (J).
The energy E in joules (J) is equal to 2 kilojoules times 1000:
E(J) = 2kJ × 1000 = 2000J
So 2 kilojoules (kJ) are equal to 2000 joules (J):
2 kJ = 2000 J
How to convert kJ to joules ►