Physics

Electric Power

Compute electric power using P = IV = I²R = V²/R.

Live Calculator · Step-by-Step · Physics
Inputs
Result
Result
Enter values and calculate.

Step-by-Step Work

Your explanation will appear here.

Power & Energy Visualization
Related Tools
Doppler Effect
Open tool →
Electric Field
Open tool →
First Law of Thermodynamics
Open tool →
Free Fall Calculator
Open tool →
Friction Force
Open tool →
All calculators
Open tool →
Put It Into Practice

The calculator shows the steps — a quiz proves you can do them on your own.

Physics Practice Quizzes →
Free chapter quizzes with explanations for every answer
Free Physics Diagnostic →
Adaptive check that maps your strong and weak topics

Stuck on Physics? Get 1-on-1 help

Alexander tutors all math and CS levels — $55/session, free consultation.

Book a Free Consultation → Or call (657) 465-8108