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Calculate the equivalent total resistance of multiple resistors connected in series. Supports dynamic resistor chain sizing with instant conversions.
Select the resistor count tab and enter your resistance values (R1, R2, R3, R4) in the inputs.
Click the prominent teal CALCULATE button to solve the equivalent resistance formulas.
The total combined series resistance is computed and visualized instantly inside the schematic circuit loop.
Rtotal = R1 + R2 + R3 + R4
In a series circuit, resistances add directly together. The total resistance will always be larger than any individual resistor in the chain.
Current remains the same through all resistors, while the total voltage divides across them relative to their resistances.
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