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Watt to Horsepower Converter

Convert Watts to Horsepower

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How to Convert Watts to Horsepower

Converting watts (W) to horsepower (hp) is a common conversion in engineering and mechanics. One watt is equal to approximately 0.00134102 horsepower.

Formula

Horsepower = Watts / 745.7

or

hp = W / 745.7

Step-by-step process

  1. Take the measurement in watts
  2. Divide that number by 745.7
  3. The result is the equivalent amount in horsepower

Examples

  • 1 W = 0.00134102 hp
  • 1000 W = 1.34102 hp
  • 745.7 W = 1 hp

When to Convert Watts to Horsepower

This conversion is essential for understanding the power output of engines, motors, and other machinery, especially when comparing systems that use different units of power.

Common Watts to Horsepower Conversions

Here is a table of common watt to horsepower conversions for quick reference:

Watts (W) Horsepower (hp) Watts (W) Horsepower (hp)
1 0.00134102 1000 1.34102
10 0.0134102 10,000 13.4102
100 0.134102 100,000 134.102
745.7 1 1,000,000 1341.02

Frequently Asked Questions

How many horsepower are in a watt?

There are approximately 0.00134102 horsepower in one watt.

Why is the conversion factor 1/745.7?

One horsepower is defined as 745.7 watts. Therefore, one watt is equal to 1 / 745.7 horsepower.