1. What is Horsepower to kW Conversion?

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

Purpose: It helps engineers, mechanics, and technicians convert between these common power units used in automotive, industrial, and electrical applications.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

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

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

3. Importance of Power Unit Conversion

Details: Converting between horsepower and kW is essential when working with equipment specifications from different regions or when comparing engine/motor performance.

4. Using the Calculator

Tips: Simply enter the horsepower value you want to convert. The result will show the equivalent power in kilowatts.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 0.746?
A: This comes from the definition of 1 HP = 550 ft-lb/s, which equals approximately 745.7 watts (0.7457 kW).

Q2: Does this work for all types of horsepower?
A: This conversion is for mechanical horsepower. Metric horsepower (PS) uses a slightly different factor (0.7355).

Q3: How precise is this conversion?
A: The 0.746 factor provides precision to three decimal places, sufficient for most practical applications.

Q4: When would I need to convert HP to kW?
A: Common when working with European equipment specs (often in kW), electrical motor ratings, or scientific calculations.

Q5: Can I convert kW back to HP?
A: Yes, simply divide kW by 0.746 to get horsepower (or use our kW to HP calculator).