Electric Power Calculator
Electric power is the rate at which electrical energy is transferred or consumed. P = V × I (voltage × current), and by Ohm's law can also be expressed as P = I²R or P = V²/R. Measured in watts (W) or kilowatts (kW).
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Fun Fact
The entire electrical output of a nuclear power plant (about 1 GW = 1,000,000,000 W) could power approximately 700,000 UK homes. A single human at peak physical output generates about 400W — the same as four bright light bulbs.
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