Watt to BTU/IT Hour Converter 2026 - W to BTU/h Calculator | Thiyagi

Watt to BTU/IT Hour Converter

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

1 W = 3.412142 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