Electric Conductivity Converter
Enter a value below to convert between metric, imperial, and standard electric conductivity units.
Convert Electric Conductivity
Enter a value and select the units to convert between siemens per meter, millisiemens per meter, and millisiemens per centimeter.
You can change the units using the dropdowns above or click on a unit button.
Common Electric Conductivity Reference Points
Here are some common electric conductivity values in Siemens per Meter (S/m), Millisiemens per Meter (mS/m), and Millisiemens per Centimeter (mS/cm). Click any preset value or arrow to load it into the converter.
| Description | Siemens per Meter (S/m) | Millisiemens per Meter (mS/m) | Millisiemens per Centimeter (mS/cm) |
|---|---|---|---|
| 1 siemens per meter unit | 1 | 1,000 | 10 |
| 5 siemens per meter | 5 | 5,000 | 50 |
| 10 siemens per meter benchmark | 10 | 10,000 | 100 |
| 25 siemens per meter | 25 | 25,000 | 250 |
| 50 siemens per meter | 50 | 50,000 | 500 |
| 100 siemens per meter reference | 100 | 100,000 | 1,000 |
Electric Conductivity Conversion Formulas
Use the following formulas to convert between siemens per meter, millisiemens per meter, and millisiemens per centimeter.
All electric conductivity conversions are anchored to the international SI base unit (Siemens per Meter) for full scientific and engineering accuracy.
More Siemens per Meter & Millisiemens per Meter Conversions
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Frequently Asked Questions
All Electric Conductivity Conversion Calculators (6)
Select any dedicated electric conductivity pair below for worked examples and printable tables
Category Conversion Matrix
Simultaneous comparison of 6 units in this category
Electric Conductivity Unit Definitions & Symbols
Siemens per Meter (S/m)
SISI unit of electrical conductivity.
Millisiemens per Meter (mS/m)
METRICEqual to 0.001 S/m.
Millisiemens per Centimeter (mS/cm)
METRICSalinity & hydroponics EC unit (1 mS/cm = 0.1 S/m).
Microsiemens per Centimeter (µS/cm)
METRICDrinking water & pure water EC unit (1 µS/cm = 0.0001 S/m).
Megasiemens per Meter (MS/m)
METRICMetal alloy conductivity unit (10⁶ S/m).
Percent IACS (Annealed Copper) (% IACS)
OTHERInternational Annealed Copper Standard (100% IACS = 58 MS/m).
References
- [1]NIST HB 133 StandardNIST (NIST HB 133 / SP 811)·Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition & NIST SP 811
- [2]BIPM SI BrochureBIPM (BIPM SI-9)·The International System of Units (SI Brochure, 9th Edition)
- [3]NIST SP 811 Appendix B.9NIST SP 811 (NIST SP 811 App. B.9)·NIST Guide to the SI, Appendix B.9: Factors for Units Listed by Kind of Quantity or Field of Science