1. What is Watts to BTU/hr Conversion?

The Watts to BTU/hr conversion is used to convert electrical power (in watts) to equivalent thermal output (in British Thermal Units per hour). This is particularly useful when comparing electric appliances to gas-powered ones.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

Where:

• \( W \) — Electrical power in watts
• \( 3.412142 \) — Conversion factor (watts to BTU/hr)

Explanation: One watt of electrical power is equivalent to approximately 3.412142 BTU per hour of thermal energy.

3. Importance of the Conversion

Details: This conversion is essential when sizing gas appliances or comparing energy efficiency between electric and gas-powered devices.

4. Using the Calculator

Tips: Enter the electrical power in watts. The value must be positive. The calculator will provide the equivalent BTU/hr output.

5. Frequently Asked Questions (FAQ)

Q1: Why is this conversion important for gas appliances?
A: It helps compare the heating capacity of electric and gas appliances using a common unit of measurement.

Q2: Is the conversion factor exact?
A: The factor 3.412142 is based on the International Table BTU, which is the most commonly used definition.

Q3: Can this be used for air conditioning units?
A: Yes, but note that cooling capacity is often measured in "tons" (1 ton = 12,000 BTU/hr).

Q4: Does this account for efficiency differences?
A: No, this is a direct energy conversion. Actual appliance efficiency would need to be considered separately.

Q5: What's a typical range for household appliances?
A: Small heaters might be 1,000-1,500W (3,412-5,118 BTU/hr), while large ovens could be 3,000W+ (10,236+ BTU/hr).