1. What is a Power to BTU Calculator?

Definition: This calculator converts electrical power in watts to thermal energy in British Thermal Units per hour (BTU/h).

Purpose: It helps in HVAC system design, electrical equipment cooling requirements, and energy efficiency calculations.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Thermal energy (BTU/h)
• \( P \) — Electrical power (Watts)

Explanation: The formula converts watts to BTU/h using the standard conversion factor of 3.412 BTU/h per watt.

3. Importance of Power to BTU Conversion

Details: This conversion is essential for sizing cooling systems, understanding heat output of electrical devices, and ensuring proper thermal management.

4. Using the Calculator

Tips: Simply enter the power in watts to get the equivalent BTU/h. The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 3.412?
A: This is the standard conversion factor based on the relationship between watts and BTU/h (1 watt = 3.412 BTU/h).

Q2: Can I use this for both AC and DC power?
A: Yes, the conversion is the same for both AC and DC power as long as you're using watts.

Q3: Does this account for power factor in AC systems?
A: No, you must use true power (watts), not apparent power (VA). For AC systems with power factor, multiply VA by power factor first.

Q4: How accurate is this conversion?
A: The conversion is mathematically exact, but real-world thermal output may vary slightly due to efficiency factors.

Q5: What if I need to convert BTU/h back to watts?
A: Simply divide the BTU/h value by 3.412 to get watts.