1. What is HP to kW Electrical Conversion?

Definition: This calculator converts mechanical horsepower (HP) to electrical kilowatts (kW).

Purpose: It helps in electrical engineering and power system calculations where power unit conversion is needed.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{kW} \) — Power in kilowatts
• \( HP \) — Power in horsepower

Explanation: 1 mechanical horsepower is equivalent to approximately 0.746 kilowatts.

3. Importance of Power Conversion

Details: Accurate power conversion is essential for equipment sizing, electrical system design, and energy efficiency calculations.

4. Using the Calculator

Tips: Simply enter the horsepower value and the calculator will automatically compute the equivalent kilowatts.

5. Frequently Asked Questions (FAQ)

Q1: Is this conversion factor exact?
A: The 0.746 factor is the standard conversion for mechanical horsepower to kilowatts, based on 1 HP = 550 ft-lb/s.

Q2: Does this apply to all types of horsepower?
A: This applies specifically to mechanical horsepower. Metric horsepower uses a slightly different conversion factor (1 HP = 0.7355 kW).

Q3: Why convert HP to kW?
A: Kilowatts are the standard unit in electrical systems, while horsepower is commonly used for mechanical power ratings.

Q4: How precise is this conversion?
A: The conversion is precise to three decimal places for most practical applications.

Q5: Can I convert kW back to HP?
A: Yes, simply divide the kW value by 0.746 to get horsepower.