Power Calculator (Physics)
Calculate mechanical power using P = W/t. Enter work and time to find power in watts, kilowatts, and horsepower.
How to Use the Power Calculator
- Enter the work done or energy transferred in joules.
- Enter the time over which it occurred in seconds.
- Click Calculate to see power in watts, kW, and horsepower.
Schnellreferenz
| Von | Nach |
|---|---|
| 100 J in 1 s | 100 W |
| 1,000 J in 10 s | 100 W |
| 1 kW | 1,000 W |
| 1 hp | 745.7 W |
| Human cycling | ~75–200 W |
Anwendungsfälle
- •Determining motor or engine power output.
- •Calculating human power during exercise.
- •Comparing energy efficiency of machines.
Formel
P = W / t, where P is power (W), W is work (J), and t is time (s). 1 hp = 745.7 W.
Häufig gestellte Fragen
What is power in physics?
Power is the rate at which work is done or energy is transferred, measured in watts (W).
How do watts relate to horsepower?
1 mechanical horsepower = 745.7 watts.
Is this calculator free?
Yes, all OhMyCalc calculators are completely free.