⚡ Resistor Calculator

Series & Parallel Resistance Calculator

Series Resistors

Formula: Rtotal = R1 + R2 + R3 + ... + Rn

Total Resistance (Series):

-- Ω
Enter resistor values to see calculation

Parallel Resistors

Formula: 1/Rtotal = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn

Total Resistance (Parallel):

-- Ω
Enter resistor values to see calculation