Convert Millisiemens per Metre to Decisiemens per Metre
1 millisiemens per metre (mS/m) = 0.01 decisiemens per metre (dS/m). 1 dS/m = 100 mS/m. Example: 15 mS/m = 15 × 0.01 = 0.15 dS/m.
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1 mS/m = 0.01 dS/m
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk millisiemens per metre to decisiemens per metre converter to paste a column from Excel.
How to Convert Millisiemens per Metre to Decisiemens per Metre
- 1 mS/m = 0.01 dS/m
- 1 dS/m = 100 mS/m
- Example: convert 15 mS/m to dS/m: 15 mS/m = 15 × 0.01 dS/m = 0.15 dS/m
Formula
dS/m = mS/m ÷ 100
Derivation from SI units:
- 1 mS/m = 10⁻³ S/m = 10 µS/cm
- 1 dS/m = 0.1 S/m = 1 mS/cm
- 1 mS/m = 0.001 S/m ÷ 0.1 S/m per dS/m = 0.01 dS/m
Both units are defined exactly, so the factor is exact. Millisiemens per Metre definition: millisiemens per metre; Decisiemens per Metre definition: decisiemens per metre.
Worked examples
- A reading of 10 mS/m converts to 0.1 dS/m.
10 mS/m × 0.01 = 0.1 dS/m - A value of 100 mS/m is 1 dS/m.
100 mS/m × 0.01 = 1 dS/m
Millisiemens per Metre to Decisiemens per Metre conversion table
| Millisiemens per Metre (mS/m) | Decisiemens per Metre (dS/m) |
|---|---|
| 0.1 mS/m | 0.001 dS/m |
| 1 mS/m | 0.01 dS/m |
| 5 mS/m | 0.05 dS/m |
| 10 mS/m | 0.1 dS/m |
| 20 mS/m | 0.2 dS/m |
| 50 mS/m | 0.5 dS/m |
| 100 mS/m | 1 dS/m |
| 200 mS/m | 2 dS/m |
| 500 mS/m | 5 dS/m |
| 1000 mS/m | 10 dS/m |
Where it's used
Millisiemens per Metre are used for drinking-water regulations (for example in the EU), while decisiemens per metre appear in soil salinity and irrigation water (EC). Both measure electrical conductivity, so the conversion is a fixed factor.
Millisiemens per Metre to other electrical conductivity units
| Conversion | 1 mS/m equals |
|---|---|
| millisiemens per metre to decisiemens per metre | 0.01 dS/m |
| millisiemens per metre to siemens per metre | 0.001 S/m |
| millisiemens per metre to percent IACS | 1.724137931 × 10⁻⁹ %IACS |
| millisiemens per metre to millisiemens per centimetre | 0.01 mS/cm |
| millisiemens per metre to microsiemens per centimetre | 10 µS/cm |
| millisiemens per metre to megasiemens per metre | 1 × 10⁻⁹ MS/m |
| millisiemens per metre to siemens per centimetre | 0.00001 S/cm |
Frequently asked questions
How many decisiemens per metre are in 1 millisiemens per metre?
1 mS/m = 0.01 dS/m.
How do I convert millisiemens per metre to decisiemens per metre?
Multiply the value in mS/m by 0.01, or divide it by 100. For example, 15 mS/m × 0.01 = 0.15 dS/m.
Is the mS/m to dS/m conversion exact?
Yes. Both units are defined exactly, and 1 mS/m is exactly 0.01 dS/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 Millisiemens per Metre to Decisiemens per Metre. Retrieved October 25, 2026, from https://scientificconverters.com/electrical-conductivity/millisiemens-per-meter-to-decisiemens-per-meter/
IEEE
Scientific Converters, "Convert Millisiemens per Metre to Decisiemens per Metre," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-conductivity/millisiemens-per-meter-to-decisiemens-per-meter/