1. What is a BTU/hr to kW Calculator?

Definition: This calculator converts power measurements from British Thermal Units per hour (BTU/hr) to kilowatts (kW).

Purpose: It helps engineers, HVAC professionals, and energy specialists convert between these common power units.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( kW \) — Power in kilowatts
• \( BTU/hr \) — Power in British Thermal Units per hour
• \( 3412 \) — Conversion factor (1 kW = 3412 BTU/hr)

Explanation: The BTU/hr value is divided by 3412 to obtain the equivalent power in kilowatts.

3. Importance of Power Unit Conversion

Details: Accurate conversion between these units is essential for equipment specification, energy calculations, and system design in heating, cooling, and power applications.

4. Using the Calculator

Tips: Simply enter the BTU/hr value (must be greater than 0) and the calculator will provide the equivalent kW value.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 3412?
A: This comes from the definition that 1 kW equals 3412.142 BTU/hr, based on the International Table BTU.

Q2: When would I need this conversion?
A: Common uses include sizing HVAC equipment, comparing energy consumption, and converting between metric and imperial specifications.

Q3: How precise is this conversion?
A: The calculator uses the standard conversion factor with 6 decimal places for precision.

Q4: What's a typical BTU/hr rating for air conditioners?
A: Residential AC units typically range from 5,000 BTU/hr (small window unit) to 60,000 BTU/hr (whole-house system).

Q5: Can I convert kW back to BTU/hr?
A: Yes, simply multiply kW by 3412 to get BTU/hr.