Convert Horsepower to Watt | HP to W

Horsepower to Watts Calculator







Quickly convert horsepower to watts with our easy-to-use online calculator. Instantly transform HP to watts for motors, engines, and mechanical systems

How to Convert HP to Watts: A Simple Method

To convert horsepower to watts, use the following conversion factor:

1 horsepower = 746 watts

This means that whenever you need to convert horsepower to watts, you’ll multiply the number of horsepower by 746. It’s a direct and reliable conversion that works across various applications.

Horsepower to Watt Formula

The conversion formula is elegantly simple:

Watts = Horsepower × 746

For example:

  • 1 hp to watts: 1 × 746 = 746 watts
  • 2 hp to watts: 2 × 746 = 1,492 watts
  • 5 hp to watts: 5 × 746 = 3,730 watts

Horsepower to Watts Conversion Chart

1 hp to w = 746w
100 hp to w = 74,600w
5 hp to w = 3,730w
150 hp to w = 111,900w
40 hp to w = 29,840w
0.5 hp to w = 373w
158 hp to w = 117,868w
0.75 hp to w = 559.5w
4 hp to w = 2,984w
2 hp to w = 1,492w
15 hp to w = 11,190w
10 hp to w = 7,460w
3 hp to w = 2,238w
2500 hp to w = 1,865,000w
1 hp to w = 746w
100 hp to w = 74,600w
5 hp to w = 3,730w
150 hp to w = 111,900w
40 hp to w = 29,840w
0.5 hp to w = 373w
158 hp to w = 117,868w
0.75 hp to w = 559.5w
4 hp to w = 2,984w
2 hp to w = 1,492w
15 hp to w = 11,190w
10 hp to w = 7,460w
3 hp to w = 2,238w
2500 hp to w = 1,865,000w
7 hp to w = 5,222w
20 hp to w = 14,920w
85 hp to w = 63,410w
0.25 hp to w = 186.5w
300 hp to w = 223,800w
0.9 hp to w = 671.4w
12 hp to w = 8,952w
1.5 hp to w = 1,119w
450 hp to w = 335,700w
17 hp to w = 12,682w
6.5 hp to w = 4,849w
0.1 hp to w = 74.6w
75 hp to w = 55,950w
250 hp to w = 186,500w
14 hp to w = 10,444w
90 hp to w = 67,140w
22 hp to w = 16,412w
8.7 hp to w = 6,490.2w
35 hp to w = 26,110w
0.6 hp to w = 447.6w

Frequently Asked Questions (FAQs)

1. One Horsepower is Equal to How Many Watts?

One horsepower (HP) is equal to 746 watts. This conversion is based on the standard mechanical definition of horsepower.

2. What is 1 HP Equal to in Watts?

1 HP is equal to 746 watts. This relationship is used universally to measure the power of motors, engines, and other machinery.

3. Why is 1 HP Equal to 746 Watts?

The value of 746 watts for 1 HP was established by James Watt, a pioneer of steam engines. It represents the power needed to lift 550 pounds by one foot in one second.

4. What is 2 hp Equal to?

2 horsepower is equivalent to 1,492 watts (2 × 746).

Practical Applications of HP to Watts Conversion

Understanding horsepower to watts conversion is essential in:

  • Electric motor selection
  • Automotive engineering
  • Renewable energy systems
  • Industrial machinery design
  • HVAC system specifications

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