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BTU to kW Calculator

Power Conversion Formula:

\[ \text{kW} = \frac{\text{BTU/h}}{3412} \]

BTU/h

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1. What is a BTU to kW Calculator?

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

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

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{kW} = \frac{\text{BTU/h}}{3412} \]

Where:

Explanation: 1 kW equals approximately 3412 BTU/h, based on the International Table BTU definition.

3. Importance of Power Unit Conversion

Details: Accurate conversion between BTU/h and kW is essential for equipment sizing, energy calculations, and comparing specifications.

4. Using the Calculator

Tips: Enter the BTU per hour value. The calculator will automatically compute the equivalent kilowatts.

5. Frequently Asked Questions (FAQ)

Q1: Why 3412 as the conversion factor?
A: This comes from the exact definition where 1 kW = 3412.142 BTU/h (International Table BTU).

Q2: When would I need this conversion?
A: When working with HVAC systems, heaters, or any equipment that uses different power units in specifications.

Q3: How precise is this conversion?
A: Very precise for most engineering applications, using the standard International Table BTU definition.

Q4: Can I convert kW back to BTU?
A: Yes, multiply kW by 3412 to get BTU/h.

Q5: What's a typical BTU rating for air conditioners?
A: Residential units range from 5,000-60,000 BTU/h (1.5-17.6 kW).

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