Convert Siemens per metre to Millisiemens per metre
Convert Siemens per metre (S/m) to Millisiemens per metre (mS/m) instantly and accurately.
Conversion Formula
mS/m = S/m × 1000
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.
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.
Quick Reference Table
| Siemens per metre (S/m) | Millisiemens per metre (mS/m) |
|---|---|
| 1 S/m | 1000 mS/m |
| 2 S/m | 2000 mS/m |
| 5 S/m | 5000 mS/m |
| 10 S/m | 10000 mS/m |
| 25 S/m | 25000 mS/m |
| 50 S/m | 50000 mS/m |
| 100 S/m | 100000 mS/m |