Conversion Formula:
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The conversion from watts to BTU/hr (British Thermal Units per hour) is essential for comparing electrical power (watts) with thermal energy output (BTU/hr). This conversion is particularly useful in HVAC systems, heating equipment, and energy efficiency calculations.
The calculator uses the conversion formula:
Where:
Explanation: This conversion factor represents the number of BTU per hour equivalent to one watt of electrical power.
Details: Accurate power conversion is crucial for system design, energy efficiency calculations, equipment sizing, and comparing different types of energy systems (electrical vs thermal).
Tips: Enter the wattage value in the input field. The value must be a positive number. The calculator will automatically convert watts to BTU/hr using the standard conversion factor.
Q1: Why is the conversion factor 3.412142?
A: This factor comes from the definition of BTU and watt. 1 watt = 3.412142 BTU/hr, as 1 BTU equals approximately 0.293071 watts.
Q2: Is this conversion accurate for all applications?
A: This conversion provides the theoretical maximum. Actual thermal output may vary based on equipment efficiency and other factors.
Q3: Can I use this for air conditioning systems?
A: Yes, this conversion is commonly used for sizing air conditioning units and comparing cooling capacities.
Q4: What's the difference between BTU and BTU/hr?
A: BTU measures energy, while BTU/hr measures power (energy per time). The conversion gives BTU/hr output.
Q5: Are there different conversion factors for different countries?
A: The conversion factor is standardized internationally, though some regions may use slightly different precision values.