Watts (W) to Amps (A) Calculator

This calculator is very useful for converting watts to amps with easily and quickly.

How to use this calculator first choose Select current type (DC = Direct Current, AC = Alternating Current Single Phase / Three Phase), then fill the Power in Watts, voltage and other values, then press the Calculate button to get the current result in Amps.

Select current type:  
Enter power in watts: W
Enter voltage in volts: V
Current result in amps: A

How to Calculate Watts to Amps?

DC = Direct Current
DC (W) to (A) calculation

Formula I(A) = P(W)

Current I in amps (A) equals to P in watts (W), divided by voltage V in volts.

AC = Alternating Current
AC single phase (W) to (A) calculation

Formula I(A) = P(W)
(PF x V(V))

AC three phase (W) to (A) calculation
Line to line voltage

Formula I(A) = P(W)
(3 × PF × VL-L(V) )

Line to neutral voltage

Formula I(A) = P(W)
(3 × PF × VL-N(V) )

power factor of resistive impedance load is equal to 1

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