Convert Millisiemens per metre to Siemens per metre
Convert Millisiemens per metre (mS/m) to Siemens per metre (S/m) instantly and accurately.
Conversion Formula
S/m = mS/m × 0.001
About Millisiemens per metre
The millisiemens per metre (mS/m) equals 10⁻³ S/m and is the preferred unit in geophysical electromagnetic induction surveys (EM-31, EM-38) for soil and shallow-subsurface conductivity mapping. Agricultural soil reads 5-200 mS/m; saline soils exceed 400 mS/m; near-surface marine sediments reach 1 000 mS/m. 1 mS/m = 10⁻³ S/m = 10 µS/cm.
About Siemens per metre
The siemens per metre (S/m) is the SI unit of electrical conductivity, equal to 1 A/(V·m) = 1 Ω⁻¹·m⁻¹ = 1 kg⁻¹·m⁻³·A²·s³. Seawater ≈5 S/m, human blood ≈0.7 S/m, graphite ≈10⁴ S/m, copper 59.6 MS/m; the full range from insulators (10⁻¹⁷ S/m) to superconductors (∞) is expressed in S/m. 1 S/m = 0.01 S/cm.
Quick Reference Table
| Millisiemens per metre (mS/m) | Siemens per metre (S/m) |
|---|---|
| 1 mS/m | 0.001 S/m |
| 2 mS/m | 0.002 S/m |
| 5 mS/m | 0.005 S/m |
| 10 mS/m | 0.01 S/m |
| 25 mS/m | 0.025 S/m |
| 50 mS/m | 0.05 S/m |
| 100 mS/m | 0.1 S/m |