La energía es la capacidad de realizar el trabajo.Existe en varias formas, como cinética, potencial, térmica, etc. Se mide en Joules (J).
1 kW = 1,000 N·m 
1 N·m = 0.001 kW 
Ejemplo: 
Convertir 15 Kilovatio a Newton Meter:
15 kW = 15,000 N·m 
| Kilovatio | Newton Meter | 
|---|---|
| 0.01 kW | 10 N·m | 
| 0.1 kW | 100 N·m | 
| 1 kW | 1,000 N·m | 
| 2 kW | 2,000 N·m | 
| 3 kW | 3,000 N·m | 
| 5 kW | 5,000 N·m | 
| 10 kW | 10,000 N·m | 
| 20 kW | 20,000 N·m | 
| 30 kW | 30,000 N·m | 
| 40 kW | 40,000 N·m | 
| 50 kW | 50,000 N·m | 
| 60 kW | 60,000 N·m | 
| 70 kW | 70,000 N·m | 
| 80 kW | 80,000 N·m | 
| 90 kW | 90,000 N·m | 
| 100 kW | 100,000 N·m | 
| 250 kW | 250,000 N·m | 
| 500 kW | 500,000 N·m | 
| 750 kW | 750,000 N·m | 
| 1000 kW | 1,000,000 N·m | 
| 10000 kW | 10,000,000 N·m | 
| 100000 kW | 100,000,000 N·m |