About Watts (W) to Horsepower (hp) Conversion

What are Watts and Horsepower?

Watts (W) and horsepower (hp) are both units used to measure power, but they are typically used in different contexts:

• Watt (W): The SI unit of power, defined as one joule per second. It's commonly used to measure electrical power.
• Horsepower (hp): A unit of power originally created to compare the output of steam engines to the power of horses. It's often used to measure the power of engines and motors.

Formula for Watts to Horsepower Conversion

The formula to convert watts to horsepower is:

\[hp = \frac{W}{745.7}\]

Where:

• \(hp\) is the power in horsepower
• \(W\) is the power in watts
• 745.7 is the conversion factor from watts to horsepower

Calculation Steps

1. Identify the power in watts.
2. Divide the watt value by 745.7.
3. The result is the power in horsepower.

Example

Let's convert 1000 watts to horsepower:

1. Given: \(W = 1000\)
2. Apply the formula: \(hp = \frac{1000}{745.7}\)
3. Calculate: \(hp \approx 1.34\)

Visual representation:

Therefore, 1000 watts is approximately equivalent to 1.34 horsepower.