Convert btu per hour to watt

Enter the value to convert from btu per hour to watt.

BTU/h
W
Result: 25 btus per hour (btu/h) = 7.32677675431 watts (w)

How to Convert BTU per hour to Watt

Converting btu per hour to watt is straightforward using our conversion calculator.

Conversion Formula

W = BTU/h ÷ 3.41214163313

Reverse conversion: Convert watt to btu per hour

Comparison: Btu-per-hour vs Watt

When to Use Each Unit

Btu-per-hour: Standard in United States for heating, ventilation, air conditioning (HVAC) system ratings and thermal power.

Watt: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.

Common Conversion Values

  • 1 BTU/h ≈ 0.293 W
  • 3,412 BTU/h ≈ 1 kW
  • 2,545 BTU/h ≈ 1 hp
  • 1 BTU/h ≈ 0.070 cal/s

About Per

Definition: BTU per hour (symbol: BTU/h) measures thermal power as British thermal units transferred per hour.

History: Developed for heating and cooling systems to measure rate of heat transfer in imperial units.

Current Use: Standard in United States for heating, ventilation, air conditioning (HVAC) system ratings and thermal power.

Examples: Home furnace: 80,000 BTU/h, air conditioner: 12,000-36,000 BTU/h, water heater: 40,000 BTU/h

About Watt

Definition: The watt (symbol: W) is the SI unit of power, equal to one joule per second or the rate of energy transfer.

History: Named after Scottish inventor James Watt in 1882. Standardized as SI unit to measure rate of energy consumption or production.

Current Use: Universal standard for electrical power ratings, mechanical power output, and energy transfer rates worldwide.

Examples: LED bulb: 10W, laptop: 65W, microwave: 1000W, hair dryer: 1500W, electric kettle: 2000W

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