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The horsepower to kilowatts conversion is used to convert mechanical power measurements from the imperial unit (horsepower) to the metric unit (kilowatts). This conversion is essential in various engineering and automotive applications where power measurements need to be standardized.
The calculator uses the conversion formula:
Where:
Explanation: The conversion factor 0.73549875 is derived from the exact definition of metric horsepower, where 1 metric horsepower is equal to 735.49875 watts, or 0.73549875 kilowatts.
Details: Accurate power unit conversion is crucial for international engineering projects, automotive specifications, and electrical system design where different measurement systems are used.
Tips: Enter horsepower value in the input field. The value must be a positive number. The calculator will automatically convert it to kilowatts using the standard conversion factor.
Q1: What's the difference between metric horsepower and mechanical horsepower?
A: Metric horsepower (PS) is approximately 98.6% of mechanical horsepower (HP). This calculator uses the metric horsepower conversion factor.
Q2: Why is power conversion important?
A: Different countries use different measurement systems, so conversion is essential for international comparison of engine performance and power ratings.
Q3: Can I use this for electrical horsepower?
A: This calculator is specifically for metric horsepower. Electrical horsepower has a slightly different conversion factor (1 hp = 0.746 kW).
Q4: How precise is this conversion?
A: The conversion factor 0.73549875 is exact for metric horsepower, making the calculation highly precise.
Q5: Where is this conversion commonly used?
A: This conversion is widely used in automotive industries, especially in Europe where power ratings are often given in kilowatts rather than horsepower.