2000 J = 2 kJ
3,5 kJ = 3500 J
2 MJ = 2000 kJ = 2 000 000 J
Pamiętaj, że 1 MJ = 1000 kJ, 1 kJ = 1000 J, 1 J = 0,001 kJ
2000 J = 2000 ⋅ 0,001 kJ = 2 kJ
3,5 kJ = 3,5 ⋅ 1000 J = 3500 J
2 MJ = 2 ⋅ 1000 kJ = 2000 kJ = 2000 ⋅ 1000 J = 2 000 000 J