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.
Referência Rápida
| De | Para |
|---|---|
| 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 |
Casos de Uso
- •Determining motor or engine power output.
- •Calculating human power during exercise.
- •Comparing energy efficiency of machines.
Fórmula
P = W / t, where P is power (W), W is work (J), and t is time (s). 1 hp = 745.7 W.
Perguntas Frequentes
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.