Watt to BTU/IT Hour Converter

Convert between watts and BTU per hour for HVAC systems, energy calculations, and thermal power measurements

Watt (W)

1 W = 3.412142 BTU/h

BTU/IT Hour (BTU/h)

1 BTU/h = 0.293071 W

Enter a value to see the conversion result

Power Conversion Reference

Watt	⇔	BTU/IT Hour
100 W	⇔	341.2 BTU/h
500 W	⇔	1,706 BTU/h
1,000 W	⇔	3,412 BTU/h
1,500 W	⇔	5,118 BTU/h
3,000 W	⇔	10,237 BTU/h
5,000 W	⇔	17,061 BTU/h

HVAC Power Examples

Small Appliances (W):
• LED light bulb: 10-20 W
• Laptop computer: 50-100 W
• Hair dryer: 1,200-1,800 W
• Microwave: 700-1,200 W

HVAC Equipment (BTU/h):
• Window AC: 5,000-24,000 BTU/h
• Central AC: 24,000-60,000 BTU/h
• Heat pump: 18,000-60,000 BTU/h
• Furnace: 40,000-120,000 BTU/h

Large Systems (high BTU/h):
• Commercial AC: 50,000-500,000 BTU/h
• Industrial chiller: 100,000-2M BTU/h
• Building heating: 200,000-1M BTU/h
• Power plant: 1B+ BTU/h

Power Units

Watt: SI unit of power
BTU/h: British Thermal Unit per hour
Conversion: 1 W = 3.412142 BTU/h
BTU/IT: International Table BTU

HVAC Tips

BTU/h common in HVAC
Watts for electrical power
Consider efficiency ratings
Check load calculations

Applications

HVAC: System sizing
Energy: Consumption analysis
Engineering: Heat load calculations
Building: Equipment selection