1. What is Motor Horsepower?

Horsepower (HP) is a unit of measurement for power, commonly used to rate the output of engines and motors. In electric motors, it indicates the mechanical power output capability.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

Where:

• \( HP \) — Horsepower
• \( kW \) — Kilowatt input power
• 0.746 — Conversion factor (1 HP = 0.746 kW)

Explanation: This formula converts electrical power in kilowatts to mechanical power in horsepower.

3. Importance of Horsepower Calculation

Details: Knowing the horsepower of an electric motor is essential for proper equipment sizing, performance evaluation, and energy efficiency analysis.

4. Using the Calculator

Tips: Enter the motor's power rating in kilowatts (kW). The value must be greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: Why convert kW to HP?
A: While kW is the standard metric unit, horsepower is still widely used in many industries, especially in North America.

Q2: What's the difference between mechanical and electrical HP?
A: This calculator assumes standard mechanical horsepower. Electrical HP might differ slightly due to efficiency factors.

Q3: Can I use this for engine horsepower?
A: This is specifically for electric motors. Internal combustion engines may use different standards.

Q4: How precise is the conversion?
A: The 0.746 factor is standard, but actual motor performance may vary based on efficiency and other factors.

Q5: What about metric horsepower?
A: Metric HP (PS) uses a different conversion factor (1 PS = 0.7355 kW).