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⚡ Parallel Resistor Calculator

Enter resistor values — instantly get equivalent parallel resistance

Equivalent Parallel Resistance

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❓ FAQ

What's the formula for parallel resistors?
1/R = 1/R₁ + 1/R₂ + ... + 1/Rₙ

Two equal resistors in parallel?
Two identical resistors R in parallel = R/2. N identical resistors in parallel = R/N.