Physics

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Conductivity to Resistivity Calculator.

Convert electrical conductivity to resistivity by taking the reciprocal.

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01

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Results update as you type.

resistivity: 0 Ω·m

resistivity

0.000000Ω·m

Results update automatically as you type.

This page applies only the stated idealized equation and explicit inputs; verify specialized engineering, medical, or safety decisions against applicable standards.

Use Cases

Material characterization

Quickly determine the resistivity of a material when you know its conductivity, useful for comparing electrical properties.

Example: If a sample has conductivity 10 S/m, its resistivity is 0.1 Ω·m.

Quality control in manufacturing

Convert measured conductivity to resistivity to verify that materials meet specified electrical resistance standards.

Example: Check if a conductive coating with conductivity 2 S/m has the required resistivity of 0.5 Ω·m.

Frequently Asked Questions

How do I convert conductivity to resistivity?
Simply enter the conductivity value in S/m. The calculator computes resistivity as the reciprocal: resistivity = 1 / conductivity. For example, if conductivity is 5 S/m, resistivity is 0.2 Ω·m.
What units are used for conductivity and resistivity?
Conductivity is entered in Siemens per meter (S/m). The resulting resistivity is given in ohm-meters (Ω·m). The calculator uses the reciprocal relationship directly.
Can I use this calculator for any material?
Yes, as long as you have the conductivity value in S/m. It works for metals, semiconductors, electrolytes, and other conductive materials. Just ensure the conductivity is not zero.

Tips & Common Mistakes

Tips

  • Ensure the conductivity value is in S/m. If you have it in other units like mS/cm, convert to S/m first (1 S/m = 10 mS/cm).
  • Remember that resistivity is the inverse of conductivity, so higher conductivity means lower resistivity.
  • For very small conductivity values, the resistivity will be very large; use scientific notation if needed.
  • Double-check that the conductivity is not zero, as division by zero is undefined.

Common Mistakes to Avoid

  • Forgetting to convert units: entering conductivity in mS/cm without converting to S/m will give incorrect resistivity.
  • Using the formula incorrectly: some may mistakenly multiply instead of taking the reciprocal.
  • Ignoring the sign: conductivity is always positive, but if you enter a negative value, the calculator will produce a negative resistivity, which is physically meaningless.

Last updated: August 13, 2026