Calculatorism

Power Calculator

Compute electric power from voltage, current and power factor.

Input Data

Input Voltage V.
V
Input Current I.
A
Input Power factor PF.
Input Connection.

Results

2,090W
P = V·I·PF = 2090.000000 W

At a glance:Power Calculator: enter parameters to compute results; complements related calculators.

Formula

P(W) = V·I·PF

×√3 for three-phase; PF=1 for DC

How to Use

  1. Enter voltage V and current I.
  2. Choose connection and power factor.
  3. Get power W.

Case Studies

220 V, 10 A (DC)

P = 220×10 = 2200 W.

FAQ

Vs watts-to-volts?

Same power triangle, different knowns.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Power Calculator（/electric/power-calculator）。