Convert Decisiemens per Metre to Millisiemens per Metre
1 decisiemens per metre (dS/m) = 100 millisiemens per metre (mS/m). 1 mS/m = 0.01 dS/m. Example: 15 dS/m = 15 × 100 = 1500 mS/m.
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1 dS/m = 100 mS/m
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk decisiemens per metre to millisiemens per metre converter to paste a column from Excel.
How to Convert Decisiemens per Metre to Millisiemens per Metre
- 1 dS/m = 100 mS/m
- 1 mS/m = 0.01 dS/m
- Example: convert 15 dS/m to mS/m: 15 dS/m = 15 × 100 mS/m = 1500 mS/m
Formula
mS/m = dS/m × 100
Derivation from SI units:
- 1 dS/m = 0.1 S/m = 1 mS/cm
- 1 mS/m = 10⁻³ S/m = 10 µS/cm
- 1 dS/m = 0.1 S/m ÷ 0.001 S/m per mS/m = 100 mS/m
Both units are defined exactly, so the factor is exact. Decisiemens per Metre definition: decisiemens per metre; Millisiemens per Metre definition: millisiemens per metre.
Worked examples
- A reading of 1 dS/m converts to 100 mS/m.
1 dS/m × 100 = 100 mS/m - A value of 4 dS/m is 400 mS/m.
4 dS/m × 100 = 400 mS/m
Decisiemens per Metre to Millisiemens per Metre conversion table
| Decisiemens per Metre (dS/m) | Millisiemens per Metre (mS/m) |
|---|---|
| 0.25 dS/m | 25 mS/m |
| 0.5 dS/m | 50 mS/m |
| 0.75 dS/m | 75 mS/m |
| 1 dS/m | 100 mS/m |
| 2 dS/m | 200 mS/m |
| 3 dS/m | 300 mS/m |
| 4 dS/m | 400 mS/m |
| 8 dS/m | 800 mS/m |
| 16 dS/m | 1600 mS/m |
| 50 dS/m | 5000 mS/m |
Where it's used
Decisiemens per Metre are used for soil salinity and irrigation water (EC), 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.
Decisiemens per Metre to other electrical conductivity units
| Conversion | 1 dS/m equals |
|---|---|
| decisiemens per metre to millisiemens per metre | 100 mS/m |
| decisiemens per metre to siemens per metre | 0.1 S/m |
| decisiemens per metre to percent IACS | 1.724137931 × 10⁻⁷ %IACS |
| decisiemens per metre to millisiemens per centimetre | 1 mS/cm |
| decisiemens per metre to microsiemens per centimetre | 1000 µS/cm |
| decisiemens per metre to megasiemens per metre | 1 × 10⁻⁷ MS/m |
| decisiemens per metre to siemens per centimetre | 0.001 S/cm |
Frequently asked questions
How many millisiemens per metre are in 1 decisiemens per metre?
1 dS/m = 100 mS/m.
How do I convert decisiemens per metre to millisiemens per metre?
Multiply the value in dS/m by 100. For example, 15 dS/m × 100 = 1500 mS/m.
Is the dS/m to mS/m conversion exact?
Yes. Both units are defined exactly, and 1 dS/m is exactly 100 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 Decisiemens per Metre to Millisiemens per Metre. Retrieved October 25, 2026, from https://scientificconverters.com/electrical-conductivity/decisiemens-per-meter-to-millisiemens-per-meter/
IEEE
Scientific Converters, "Convert Decisiemens per Metre to Millisiemens per Metre," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-conductivity/decisiemens-per-meter-to-millisiemens-per-meter/