Le couple est une mesure de la force qui peut faire tourner un objet autour d'un axe.Il est mesuré en newton-meters (n · m).
1 kJ = 1,000 J 
1 J = 0.001 kJ 
Exemple: 
Convertir 15 Calhourle en Joule:
15 kJ = 15,000 J 
| Calhourle | Joule | 
|---|---|
| 0.01 kJ | 10 J | 
| 0.1 kJ | 100 J | 
| 1 kJ | 1,000 J | 
| 2 kJ | 2,000 J | 
| 3 kJ | 3,000 J | 
| 5 kJ | 5,000 J | 
| 10 kJ | 10,000 J | 
| 20 kJ | 20,000 J | 
| 30 kJ | 30,000 J | 
| 40 kJ | 40,000 J | 
| 50 kJ | 50,000 J | 
| 60 kJ | 60,000 J | 
| 70 kJ | 70,000 J | 
| 80 kJ | 80,000 J | 
| 90 kJ | 90,000 J | 
| 100 kJ | 100,000 J | 
| 250 kJ | 250,000 J | 
| 500 kJ | 500,000 J | 
| 750 kJ | 750,000 J | 
| 1000 kJ | 1,000,000 J | 
| 10000 kJ | 10,000,000 J | 
| 100000 kJ | 100,000,000 J |