Parallel Resistance Calculator

Last updated: 2026-08-24

Parallel Resistance Calculator — Free online parallel resistance calculator. Enter r1 and r2 to get instant results.
Inputs
Result
Enter values and press Calculate

How to use it

  1. Identify The values of input
  2. Apply The formula correspondiente
  3. Realizar The calculation
  4. Obtain The 1 results

Common mistakes

  • ⚠️ Add strengths in lugar of Use formula
  • ⚠️ Esperar que Req sea greater que R1 or R2
  • ⚠️ Not Verify que Req < R lesser

Worked example

Example of circuito electrónico

Req = (R1×R2)/(R1+R2). The resistance equivalente es lesser.