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Convert Motor kW to HP

Horsepower Formula:

\[ HP = P_{kW} \times 1.341 \]

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1. What is kW to HP Conversion?

Definition: This calculator converts motor power from kilowatts (kW) to horsepower (HP).

Purpose: It helps engineers, mechanics, and technicians compare motor power ratings between metric (kW) and imperial (HP) systems.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ HP = P_{kW} \times 1.341 \]

Where:

Explanation: 1 kilowatt equals approximately 1.341 horsepower. This conversion factor is based on the mechanical horsepower definition.

3. Importance of Power Unit Conversion

Details: Proper unit conversion ensures accurate motor specifications, performance comparisons, and equipment selection across different measurement systems.

4. Using the Calculator

Tips: Simply enter the motor power in kilowatts (must be > 0) and the calculator will instantly provide the equivalent horsepower.

5. Frequently Asked Questions (FAQ)

Q1: What's the exact conversion factor?
A: 1 kW = 1.34102209 HP, but 1.341 is typically precise enough for most applications.

Q2: Are there different types of horsepower?
A: Yes, this calculator uses mechanical horsepower (745.7W). Metric horsepower (735.5W) would use 1.35962 conversion factor.

Q3: Why convert kW to HP?
A: Many older machines and some regions still use HP ratings, while most modern specifications use kW.

Q4: Does this work for electric motors only?
A: No, it works for any power measurement in kW, whether mechanical, electrical, or thermal.

Q5: How precise is this conversion?
A: The result is typically precise to 3 decimal places, sufficient for most engineering applications.

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