Home Back

Convert HP to KW Calculator

Conversion Formula:

\[ kW = HP \times 0.7457 \]

hp

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is HP to KW Conversion?

The HP to KW conversion calculator converts horsepower (HP) to kilowatts (kW) using the standard conversion factor. This is essential for comparing power outputs between different measurement systems used internationally.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

\[ kW = HP \times 0.7457 \]

Where:

Explanation: The conversion factor 0.7457 represents the exact mathematical relationship between mechanical horsepower and kilowatts in the International System of Units (SI).

3. Importance of Power Conversion

Details: Accurate power conversion is crucial for engineering applications, automotive industry, electrical systems design, and international equipment specifications where different power units are used.

4. Using the Calculator

Tips: Enter horsepower value in the input field. The value must be positive and greater than zero. The calculator will automatically compute the equivalent kilowatts with high precision.

5. Frequently Asked Questions (FAQ)

Q1: What is the exact conversion factor?
A: The exact conversion factor is 0.745699872, which is typically rounded to 0.7457 for most practical applications.

Q2: Are there different types of horsepower?
A: Yes, there are mechanical horsepower (hp(I)), metric horsepower (PS), and electrical horsepower. This calculator uses mechanical horsepower (1 hp = 745.7 W).

Q3: Why is power conversion important?
A: Power conversion is essential for international trade, engineering specifications, equipment compatibility, and standardized measurements across different regions.

Q4: How accurate is this conversion?
A: The conversion is mathematically exact for mechanical horsepower. The calculator provides results with 4 decimal places for precision.

Q5: Can I convert KW back to HP?
A: Yes, to convert kilowatts to horsepower, divide the kilowatt value by 0.7457 or multiply by approximately 1.341.

Convert HP to KW Calculator© - All Rights Reserved 2025