Convert %IACS to Decisiemens per Metre (%IACS to dS/m)
1 percent IACS (%IACS) = 5800000 decisiemens per metre (dS/m). 1 dS/m = 1.724137931 × 10⁻⁷ %IACS. Example: 15 %IACS = 15 × 5800000 = 87000000 dS/m.
Also searched as percent IACS to dS/m, percent IACS in dS/m, percent IACS into decisiemens per metre, %IACS to dS/m, %IACS in decisiemens per metre, %IACS into decisiemens per metre, percent IACS to decisiemens per metre, %IACS to decisiemens per metre converter, percent IACS to decisiemens per meter and how many decisiemens per metre in a percent IACS.
1 %IACS = 5800000 dS/m
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk percent IACS to decisiemens per metre converter to paste a column from Excel.
How to Convert %IACS to Decisiemens per Metre
- 1 %IACS = 5800000 dS/m
- 1 dS/m = 1.724137931 × 10⁻⁷ %IACS
- Example: convert 15 %IACS to dS/m: 15 %IACS = 15 × 5800000 dS/m = 87000000 dS/m
Reference conditions. %IACS: 100 %IACS = 58 MS/m at 20 °C (International Annealed Copper Standard)
Formula
dS/m = %IACS × 5800000
Derivation from SI units:
- 100 %IACS = 58 m/(Ω·mm²) = 58 MS/m at 20 °C, so 1 %IACS = 0.58 MS/m (exact)
- 1 dS/m = 0.1 S/m = 1 mS/cm
- 1 %IACS = 580000 S/m ÷ 0.1 S/m per dS/m = 5800000 dS/m
Both units are defined exactly, so the factor is exact. %IACS definition: percent IACS; Decisiemens per Metre definition: decisiemens per metre.
Worked examples
- A reading of 45 %IACS converts to 261000000 dS/m.
45 %IACS × 5800000 = 261000000 dS/m - A value of 100 %IACS is 580000000 dS/m.
100 %IACS × 5800000 = 580000000 dS/m
%IACS to Decisiemens per Metre conversion table
| %IACS | Decisiemens per Metre (dS/m) |
|---|---|
| 3 %IACS | 17400000 dS/m |
| 10 %IACS | 58000000 dS/m |
| 28 %IACS | 162400000 dS/m |
| 30 %IACS | 174000000 dS/m |
| 45 %IACS | 261000000 dS/m |
| 50 %IACS | 290000000 dS/m |
| 61 %IACS | 353800000 dS/m |
| 80 %IACS | 464000000 dS/m |
| 100 %IACS | 580000000 dS/m |
| 101 %IACS | 585800000 dS/m |
| 103 %IACS | 597400000 dS/m |
| 105 %IACS | 609000000 dS/m |
Where it's used
%IACS are used for copper and aluminium conductor grading, while decisiemens per metre appear in soil salinity and irrigation water (EC). Both measure electrical conductivity, so the conversion is a fixed factor.
%IACS to other electrical conductivity units
| Conversion | 1 %IACS equals |
|---|---|
| percent IACS to decisiemens per metre | 5800000 dS/m |
| percent IACS to siemens per metre | 580000 S/m |
| percent IACS to millisiemens per centimetre | 5800000 mS/cm |
| percent IACS to microsiemens per centimetre | 5800000000 µS/cm |
| percent IACS to megasiemens per metre | 0.58 MS/m |
| percent IACS to siemens per centimetre | 5800 S/cm |
| percent IACS to millisiemens per metre | 580000000 mS/m |
Frequently asked questions
How many decisiemens per metre are in 1 percent IACS?
1 %IACS = 5800000 dS/m.
How do I convert percent IACS to decisiemens per metre?
Multiply the value in %IACS by 5800000. For example, 15 %IACS × 5800000 = 87000000 dS/m.
Is the %IACS to dS/m conversion exact?
Yes. Both units are defined exactly, and 1 %IACS is exactly 5800000 dS/m.
Sources
- Copper Wire Tables, NBS Handbook 100 (International Annealed Copper Standard), National Bureau of Standards (now NIST) , Section 1.2, International Annealed Copper Standard.
- 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 %IACS to Decisiemens per Metre (%IACS to dS/m). Retrieved October 25, 2026, from https://scientificconverters.com/electrical-conductivity/percent-iacs-to-decisiemens-per-meter/
IEEE
Scientific Converters, "Convert %IACS to Decisiemens per Metre (%IACS to dS/m)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/electrical-conductivity/percent-iacs-to-decisiemens-per-meter/