Physics

Power Calculator

Find power from work done over time.

Parameters Live Compute
Calculated Output
Power (W) 500
Power (hp) 0.6705
Formula: P = work ÷ time
Step-by-Step Breakdown
1. Values used:
2. Work / energy = 5,000 J
3. Time = 10
4.
5. Power = Work / energy / Time = 5,000 / 10 = 500W
6. Power = 0.6705hp
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Power is how fast work is done or energy is used.

The math behind it

P = work ÷ time. 1 watt = 1 joule per second; 1 hp ≈ 745.7 W.

Worked Example

5,000 J in 10 s → 500 W.

Frequently Asked Questions

Electrical power?

Use the Electrical Power calculator (P = V × I).

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