Wheatstone Bridge Calculator

Calculate the unknown resistance in a Wheatstone bridge circuit using the balance condition. Enter three known resistances (R1, R2, R3) to find the unknown Rx where R1/R2 = R3/Rx at bridge balance.

How to Use Wheatstone Bridge Calculator

Enter the three known resistances R1, R2, and R3 in ohms. Click Calculate to find the unknown resistance Rx using the Wheatstone bridge balance condition (R1/R2 = R3/Rx). The tool shows the formula and ratio verification.

Step-by-Step Instructions

  1. Enter R1, R2, and R3 values in ohms
  2. Click Calculate Rx
  3. View the unknown resistance value
  4. Check the ratio verification

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