Convert Megasiemens per Metre to Millisiemens per Metre
1 megasiemens per metre (MS/m) = 1000000000 millisiemens per metre (mS/m). 1 mS/m = 1 × 10⁻⁹ MS/m. Example: 15 MS/m = 15 × 1000000000 = 15000000000 mS/m.
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1 MS/m = 1000000000 mS/m
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk megasiemens per metre to millisiemens per metre converter to paste a column from Excel.
How to Convert Megasiemens per Metre to Millisiemens per Metre
- 1 MS/m = 1000000000 mS/m
- 1 mS/m = 1 × 10⁻⁹ MS/m
- Example: convert 15 MS/m to mS/m: 15 MS/m = 15 × 1000000000 mS/m = 15000000000 mS/m
Formula
mS/m = MS/m × 1000000000
Derivation from SI units:
- 1 MS/m = 10⁶ S/m = 1 m/(Ω·mm²)
- 1 mS/m = 10⁻³ S/m = 10 µS/cm
- 1 MS/m = 1000000 S/m ÷ 0.001 S/m per mS/m = 1000000000 mS/m
Both units are defined exactly, so the factor is exact. Megasiemens per Metre definition: megasiemens per metre; Millisiemens per Metre definition: millisiemens per metre.
Worked examples
- A reading of 16 MS/m converts to 16000000000 mS/m.
16 MS/m × 1000000000 = 16000000000 mS/m - A value of 45 MS/m is 45000000000 mS/m.
45 MS/m × 1000000000 = 45000000000 mS/m
Megasiemens per Metre to Millisiemens per Metre conversion table
| Megasiemens per Metre (MS/m) | Millisiemens per Metre (mS/m) |
|---|---|
| 1 MS/m | 1000000000 mS/m |
| 1.4 MS/m | 1400000000 mS/m |
| 10 MS/m | 10000000000 mS/m |
| 16 MS/m | 16000000000 mS/m |
| 35 MS/m | 35000000000 mS/m |
| 37.7 MS/m | 37700000000 mS/m |
| 45 MS/m | 45000000000 mS/m |
| 58 MS/m | 58000000000 mS/m |
| 59.6 MS/m | 59600000000 mS/m |
| 61 MS/m | 61000000000 mS/m |
Where it's used
Megasiemens per Metre are used for eddy-current conductivity meters, while millisiemens per metre appear in drinking-water regulations (for example in the EU). Both measure electrical conductivity, so the conversion is a fixed factor.
Megasiemens per Metre to other electrical conductivity units
| Conversion | 1 MS/m equals |
|---|---|
| megasiemens per metre to millisiemens per metre | 1000000000 mS/m |
| megasiemens per metre to siemens per metre | 1000000 S/m |
| megasiemens per metre to percent IACS | 1.724137931 %IACS |
| megasiemens per metre to millisiemens per centimetre | 10000000 mS/cm |
| megasiemens per metre to microsiemens per centimetre | 10000000000 µS/cm |
| megasiemens per metre to decisiemens per metre | 10000000 dS/m |
| megasiemens per metre to siemens per centimetre | 10000 S/cm |
Frequently asked questions
How many millisiemens per metre are in 1 megasiemens per metre?
1 MS/m = 1000000000 mS/m.
How do I convert megasiemens per metre to millisiemens per metre?
Multiply the value in MS/m by 1000000000. For example, 15 MS/m × 1000000000 = 15000000000 mS/m.
Is the MS/m to mS/m conversion exact?
Yes. Both units are defined exactly, and 1 MS/m is exactly 1000000000 mS/m.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Megasiemens per Metre to Millisiemens per Metre. Retrieved October 25, 2026, from https://scientificconverters.com/electrical-conductivity/megasiemens-per-meter-to-millisiemens-per-meter/
IEEE
Scientific Converters, "Convert Megasiemens per Metre to Millisiemens per Metre," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-conductivity/megasiemens-per-meter-to-millisiemens-per-meter/