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

Definition: This calculator converts power measurements from British Thermal Units per hour (BTU/h) 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:

• \( P_{kW} \) — Power in kilowatts
• \( Q_{btu} \) — Power in BTU per hour

Explanation: 1 kW is equivalent to 3412 BTU/h, so we divide the BTU/h value by 3412 to get the equivalent in kW.

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/h value (must be greater than 0) and the calculator will provide the equivalent in kilowatts.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 3412?
A: This is the exact conversion factor defined by the International Steam Table (IT) calorie, where 1 kW = 3412.142 BTU/h.

Q2: How precise is this conversion?
A: The calculator provides results with 6 decimal places for precision, though most practical applications require fewer digits.

Q3: When would I need this conversion?
A: Common uses include comparing HVAC system capacities, converting boiler ratings, or working with international specifications.

Q4: What's the reverse calculation (kW to BTU/h)?
A: Multiply kW by 3412 to get BTU/h. We may add a reverse calculator in the future.

Q5: Does this work for all BTU values?
A: Yes, the conversion factor remains constant whether you're working with small or large values.