Resistor Calculator

Calculate equivalent resistance for series and parallel circuits. Supports multiple resistors and mixed configurations.

Calculator Mode

Circuit Type

Resistances (Ω)

Source Voltage (V)(optional)

Series Circuit Results

600 Ω

Equivalent Resistance

0.02 A

Total Current

0.24 W

Total Power

Voltage across each resistor

V1: 2 V

V2: 4 V

V3: 6 V

Series: R_eq = R₁ + R₂ + R₃ + ...

Parallel: 1/R_eq = 1/R₁ + 1/R₂ + ...

Voltage Divider: Vout = Vin × R₂/(R₁+R₂)

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