1. What is Watts to BTU/hr Conversion?

The Watts to BTU/hr conversion is used to translate electrical power (in watts) to thermal power (in British Thermal Units per hour). This is particularly useful in HVAC systems, electrical heating, and energy efficiency calculations.

2. How Does the Converter Work?

The converter uses the following formula:

Where:

• \( \text{BTU/hr} \) — British Thermal Units per hour
• \( \text{W} \) — Watts (electrical power)
• 3.412142 — Conversion factor (exact value)

Explanation: One watt is equal to 3.412142 BTU per hour. This conversion factor comes from the definition of the BTU in terms of joules.

3. Practical Applications

Details: This conversion is essential for comparing electrical cooling/heating systems with fuel-based systems, sizing air conditioners, and calculating energy efficiency in buildings.

4. Using the Converter

Tips: Simply enter the wattage value you want to convert. The result will show the equivalent BTU/hr value. For example, a 1000W heater converts to 3412.14 BTU/hr.

5. Frequently Asked Questions (FAQ)

Q1: Why is this conversion important?
A: It allows comparison between electrical and thermal systems, helping in equipment selection and energy planning.

Q2: Is the conversion factor exact?
A: Yes, 3.412142 is the exact conversion factor (1 W = 3.412142 BTU/hr).

Q3: Can I convert BTU/hr back to watts?
A: Yes, divide BTU/hr by 3.412142 to get watts.

Q4: What's the difference between BTU and BTU/hr?
A: BTU is a unit of energy, while BTU/hr is a unit of power (energy per unit time).

Q5: How accurate is this conversion?
A: The conversion is mathematically exact, though real-world systems may have efficiency factors to consider.