Parallel and Series Resistor Calculator

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Use the parallel resistor calculator to calculate the total parallel resistance.

Formula: RT = 1 / (1/R1 + 1/R2 + 1/R3 + etc..)

Use the series resistor calculator to calculate the total series resistance.

Formula: RT = R1 + R2 + R3 + etc..

Series and Parallel Capacitor Calculator
 

Parallel Resistor

R1:
R2:
R3:
R4:
R5:
R6:
R7:
R8:
R9:
R10:

Total Parallel Resistance:
=

Series Resistor

R1:
R2:
R3:
R4:
R5:
R6:
R7:
R8:
R9:
R10:

Total Series Resistance:
=