Power Converter
Convert between watts, kilowatts, megawatts, horsepower, and BTU per hour instantly.
Enter any value to update all other units with a power reference table.
Type in any field — the others update instantly.
Power Conversion uses watts (W) as the base unit.
Key relationships:
1 kW = 1,000 W1 HP (mechanical) = 745.7 W1 BTU/h = 0.29307 W1 MW = 1,000,000 W
Common references:
- LED light bulb: 10 W = 0.01 kW = 0.013 HP = 34.1 BTU/h
- Microwave oven: 1,000 W = 1 kW = 1.34 HP = 3,412 BTU/h
- Car engine (200 HP): 149,140 W = 149.1 kW = 508,900 BTU/h
- Window AC unit (12,000 BTU/h): 3,517 W = 3.52 kW = 4.72 HP