Amps to Ohms calculator

Amps to ohms calculation with volts

Enter the voltage in volts (V), current in amps (A), then press the Calculate button to get the result in ohms (Ω).

Voltage in volts (V)
Current in amps (A)

R(Ω) = V(V) / I(A)

The resistance R in ohms (Ω) is equal to the voltage V in volts (V), divided by the phase current I in amps (A).

Amps to ohms calculation with watts

Enter the power in watts (W), current in amps (A), then press the Calculate button to get the result in ohms (Ω).

Power in watts (W)
Current in amps (A)

R(Ω) = P(W) / I(A)2

The resistance R in ohms (Ω) is equal to the power P in watts (W), divided by the square value of the phase current I in amps (A).

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