Parallel Resistance Calculator

Effortlessly calculate the parallel resistance (R1+R2) in a circuit using our online calculator.

Utilize our online calculator to compute the parallel resistance (R1+R2) in a circuit. Easily determine the total equivalent resistance (R) for up to 2 resistors connected in parallel. Choose between K Ohms or M Ohms for the resistor units. Optimize your circuit analysis with this convenient tool.

Resistor R1
Resistor R2
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    4 Number of calculations
    R_p = \frac{1}{\left(\frac{1}{R_1} + \frac{1}{R_2}\right)}


    • Rp = Total Parallel Resistance
    • R1 & R2 = Resistors connected in parallel