Horsepower (HP) to Watt Converter

1 Horsepower (HP) = 745.699872 Watt

To convert horsepower (hp)s to watts, multiply by 745.699872.

Conversions between Horsepower (HP) (hp) and Watt (W) are essential in the power category. This tool provides a quick, free, and accurate way to convert horsepower (hp)s to watts for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.

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Formula

W = hp × 745.699872

To convert Horsepower (HP) to Watt, use the formula displayed above.

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Horsepower (HP) to Watt: Quick Reference Table

Horsepower (HP) (hp) Watt (W)
0.001 0.7457
0.01 7.456999
0.1 74.569987
0.5 372.849936
1 745.699872
2 1491.399744
5 3728.49936
10 7456.99872
25 18642.4968
50 37284.9936
100 74569.9872
250 186424.968
500 372849.936
1000 745699.872

hp to W Formula and Examples

Direct Formula W = hp × 745.699872
Inverse Formula hp = W × 0.001341
Mental Math Shortcut

Multiply the value by roughly 745.7 to calculate the equivalent amount in your head.

Common Horsepower (HP) to Watt Calculations

  • 5 hp = 3728.49936 W
  • 10 hp = 7456.99872 W
  • 50 hp = 37284.9936 W
  • 100 hp = 74569.9872 W
  • 500 hp = 372849.936 W

How to Convert Horsepower (HP) to Watt

How many watts are in a horsepower (hp)?
1 Horsepower (HP) (hp) is equal to 745.699872 Watt (W). To convert horsepower (hp)s to watts, multiply your value by 745.699872.
How do I convert horsepower (hp) to watt?
To convert Horsepower (HP) to Watt, use the formula: Watt = Horsepower (HP) × 745.699872. For example, 5 hp = 3728.49936 W.
What is the formula for hp to W?
The formula is: W = hp × 745.699872. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.