tier_2 conversion
Convert horsepower to joule/second
Convert horsepower to joule/second with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
horsepower to joule/second
horsepower to joule/second
Quick answer
1 horsepower = 745.699871582 joule/second.
Formula
joule/second = 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 joule/second
- Enter a value in horsepower.
- Multiply the horsepower value by 745.6998715823000000000000000 to obtain joule/second.
- Round the displayed joule/second 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). joule/second is a unit used in power conversions. Power measures the rate at which energy is transferred or work is performed. Its recorded symbol is J/s.
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horsepower to joule/second conversion table
| horsepower | joule/second |
|---|---|
| 0 horsepower | 0e-25 joule/second |
| 1 horsepower | 745.699871582 joule/second |
| 5 horsepower | 3728.49935791 joule/second |
| 10 horsepower | 7456.99871582 joule/second |
| 25 horsepower | 18642.4967896 joule/second |
| 100 horsepower | 74569.9871582 joule/second |
Frequently asked questions
How do I convert from horsepower to joule/second?
Multiply the horsepower value by 745.6998715823000000000000000 to obtain joule/second.
What formula does CalculatorHQ use for horsepower to joule/second?
joule/second = 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 joule/second back to horsepower?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.