Physics
Watts to horsepower
Divide the watt figure by the exact conversion constant to restate the same power in horsepower.
The Formula
hp = P / 745.6998715822702
Divide the watt figure by the exact conversion constant to restate the same power in horsepower.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| P | Power in watts | watts | The rate already found from energy over time. |
| hp | Power in horsepower | horsepower | 300 W converts to 0.4023066268785084 hp, using the mechanical factor. |
What Each Symbol Means
Pwatts
Power in watts
The rate already found from energy over time.
hphorsepower
Power in horsepower
300 W converts to 0.4023066268785084 hp, using the mechanical factor.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate power page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate Power, filed under Science. Every number the guide produces comes from substituting into this one line.