Watts to BTU/hr Converter
Convert Watts (W) to BTU per hour (BTU/hr) instantly.
Enter Value
Conversion Result
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Formula & Conversion Step:
What is the Watts to BTU/hr Converter?
The Watts (W) to British Thermal Units per hour (BTU/hr) converter bridges electrical power with thermodynamic heating. It is extensively used to determine how much heat a computer server room generates, or how many BTUs an electric space heater outputs.
How It Works (Formula)
One watt of electrical power equates exactly to 1 Joule per second. When converted into thermal energy over the span of an hour, one watt yields approximately 3.412141633 British Thermal Units. The tool applies this multiplier.
$$ P_{(\text{BTU/hr})} = P_{(\text{W})} \times 3.412142 $$
The thermodynamic multiplication factor for electrical heat generation.
How to Use It
Enter the power consumption in Watts (W). The calculator will instantly multiply it by 3.412142 to output the heat generation in BTU/hr. For example, a 1500W space heater will generate roughly 5,118 BTUs of heat per hour.