tier_2 conversion
Convert horsepower to watt
Convert horsepower to watt with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
horsepower to watt
horsepower to watt
Quick answer
1 horsepower = 745.699871582 watt.
Formula
watt = horsepower × 745.6998715823000000000000000
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert horsepower to watt
- Enter a value in horsepower.
- The conversion is linear, so each horsepower is worth 745.6998715823000000000000000 watt.
- Round the displayed watt value only when needed.
About these units
horsepower is a unit used in power conversions. Power measures the rate at which energy is transferred or work is performed. Its recorded symbol is hp, hp (UK). watt is a unit used in power conversions. Power measures the rate at which energy is transferred or work is performed. Its recorded symbol is W.
Explore related conversions
horsepower to watt conversion table
| horsepower | watt |
|---|---|
| 0 horsepower | 0e-25 watt |
| 1 horsepower | 745.699871582 watt |
| 5 horsepower | 3728.49935791 watt |
| 10 horsepower | 7456.99871582 watt |
| 25 horsepower | 18642.4967896 watt |
| 100 horsepower | 74569.9871582 watt |
Frequently asked questions
How do I convert from horsepower to watt?
The conversion is linear, so each horsepower is worth 745.6998715823000000000000000 watt.
What formula does CalculatorHQ use for horsepower to watt?
watt = horsepower × 745.6998715823000000000000000
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert watt back to horsepower?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.