Series Resistance Calculator
Calculate total resistance of resistors connected in series. Total resistance is the sum of all individual resistances.
Enter resistor values.
Series Resistance Formula
R_total = R₁ + R₂ + R₃ + ... + Rₙ
In a series circuit, current is the same through all resistors. Voltage divides across them.
Example: 100 Ω + 220 Ω + 470 Ω = 790 Ω
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Last updated: 2026-08-08