About this converter
Electric conductivity measures how easily a material carries electric current. Siemens per meter (S/m) is the SI unit, 1 S/m equals 10,000 µS/cm, and 1 S/cm equals 100 S/m.
This converter supports SI, mho, abmho, and statmho conductivity units used in materials science, water-quality testing, semiconductor work, and older electromagnetic references. Electrical engineers, lab technicians, geophysicists, water-quality analysts, and physics students use these conversions when comparing material tables and instrument readings.
How to Use This Converter
- Enter the conductivity value.
- Select the source unit from the From menu.
- Select the target unit from the To menu.
- Read the converted result and formula line.
- Use Swap to reverse the selected units.
Units Covered
| Unit | Symbol | Common Use |
|---|---|---|
| Siemens per meter | S/m | SI conductivity for materials and engineering calculations. |
| Picosiemens per meter | pS/m | Very low conductivity and insulating material data. |
| Siemens per centimeter | S/cm | High conductivity and laboratory material references. |
| Millisiemens per meter | mS/m | Water quality, soils, and moderate conductivity readings. |
| Microsiemens per centimeter | µS/cm | Water testing, environmental samples, and lab meters. |
| Mho per meter | ℧/m | Older term equivalent to siemens per meter. |
| Mho per centimeter | ℧/cm | Older centimeter-scale conductivity references. |
| Abmho per meter | ab℧/m | CGS electromagnetic conductivity references. |
| Abmho per centimeter | ab℧/cm | CGS centimeter-scale conductivity data. |
| Statmho per meter | stat℧/m | CGS electrostatic conductivity references. |
| Statmho per centimeter | stat℧/cm | Electrostatic CGS centimeter-scale data. |
S/m to µS/cm Conversion Table
| From | To |
|---|---|
| 0.0001 S/m | 1 µS/cm |
| 0.001 S/m | 10 µS/cm |
| 0.01 S/m | 100 µS/cm |
| 0.05 S/m | 500 µS/cm |
| 0.1 S/m | 1,000 µS/cm |
| 0.5 S/m | 5,000 µS/cm |
| 1 S/m | 10,000 µS/cm |
| 5 S/m | 50,000 µS/cm |
| 10 S/m | 100,000 µS/cm |
| 100 S/m | 1,000,000 µS/cm |
How to Convert S/m to µS/cm
Siemens per meter to microsiemens per centimeter
For example, 0.25 S/m x 10,000 = 2,500 µS/cm.
Microsiemens per centimeter to siemens per meter
For example, 1,500 µS/cm / 10,000 = 0.15 S/m.
When You Need to Convert Electric Conductivity
Water-quality meters commonly report µS/cm, while engineering material tables may use S/m. A reading of 500 µS/cm equals 0.05 S/m.
Materials engineering often compares conductivity with resistivity. Copper has conductivity near 5.96e7 S/m, while deionized water can be near 5.5e-6 S/m, so unit choice keeps numbers readable.
Older references may use mho or CGS conductivity units. Since mho is equivalent to siemens, 1 ℧/m equals 1 S/m before applying any length-scale conversion.