Watts-Volts-Amps Calculator
From voltage, current and PF compute power, apparent power and resistance at once.
Input Data
Input Voltage V.
V
Input Current I.
A
Input Power factor PF.
Input Connection.
Results
2,090W
2,200VA
22Ω
P=2090.000000 W, S=2200.000000 VA, R=22.000000 Ω
At a glance:Watts-Volts-Amps Calculator: enter parameters to compute results; complements related calculators.
Formula
P = V·I·PF (×√3 three-phase)
S = V·I (×√3 three-phase)
R = V / I
How to Use
- Enter voltage V and current I.
- Choose connection and power factor.
- Get P, S, R.
Case Studies
220 V, 10 A (DC)
P=2200 W, S=2200 VA, R=22 Ω.
FAQ
R vs PF?
R=V/I is the equivalent impedance magnitude, independent of PF.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.