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Conversion Formula:
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The BTU (British Thermal Unit) to Watts conversion is used to translate heating or cooling power between the imperial and metric systems. This is particularly important in the UK where both units are commonly used in different contexts.
The calculator uses the conversion formula:
Where:
Explanation: The conversion factor is derived from the relationship between the British Thermal Unit and the watt, with 1 BTU/hr equal to approximately 0.293071 watts.
Details: Accurate power conversion is essential when working with heating and cooling systems, electrical appliances, and energy efficiency calculations, especially in the UK where both measurement systems are used.
Tips: Enter the BTU per hour value you wish to convert. The value must be positive. The calculator will automatically compute the equivalent power in watts.
Q1: Why is the conversion factor 3.412142?
A: This is the exact conversion factor between BTU/hr and watts, based on the definition of 1 BTU as approximately 1055.06 joules and 1 watt as 1 joule per second.
Q2: When would I need to convert BTU/hr to watts?
A: Common scenarios include comparing heating system specifications, calculating electrical requirements for air conditioning units, or when working with energy efficiency ratings.
Q3: Is this conversion UK-specific?
A: While the calculation is universal, this calculator is particularly relevant for UK applications where both BTU/hr and watts are commonly used measurements.
Q4: How accurate is this conversion?
A: The conversion is mathematically exact, though practical measurements may have some instrument-related uncertainty.
Q5: Can I convert watts back to BTU/hr?
A: Yes, simply multiply watts by 3.412142 to get BTU/hr. The inverse calculation is equally valid.