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Electric Conductance Converter

Enter a value below to convert between metric, imperial, and standard electric conductance units.

Convert Electric Conductance

Enter a value and select the units to convert between siemens, millisiemens, and microsiemens.

Instant conversion
Result
10,000 mS
10 S = 10,000 mS
10 S = 10,000 mS = 10,000,000 µSGet Widget

You can change the units using the dropdowns above or click on a unit button.

Suggested Conversions

Common Electric Conductance Reference Points

Here are some common electric conductance values in Siemens (S), Millisiemens (mS), and Microsiemens (µS). Click any preset value or arrow to load it into the converter.

DescriptionSiemens (S)Millisiemens (mS)Microsiemens (µS)
1 siemens unit11,0001,000,000
5 siemens55,0005,000,000
10 siemens benchmark1010,00010,000,000
25 siemens2525,00025,000,000
50 siemens5050,00050,000,000
100 siemens reference100100,000100,000,000

Electric Conductance Conversion Formulas

Use the following formulas to convert between siemens, millisiemens, and microsiemens.

Siemens to Millisiemens
mS = S × 1,000
Millisiemens to Siemens
S = mS × 0.001
Siemens to Microsiemens
µS = S × 1,000,000
Example: Convert 10 Siemens (S) to Millisiemens (mS)
1 S = 1,000 mS
10 S × 1,000 = 10,000 mS

All electric conductance conversions are anchored to the international SI base unit (Siemens) for full scientific and engineering accuracy.

More Siemens & Millisiemens Conversions

Frequently Asked Questions

1 siemens (S) equals 1,000 millisiemens (mS). Multiply your siemens value by 1,000 or enter it in the Electric Conductance Converter above for instant calculation.

All Electric Conductance Conversion Calculators (6)

Select any dedicated electric conductance pair below for worked examples and printable tables

Category Conversion Matrix

Simultaneous comparison of 5 units in this category

Siemens (S)
1
Millisiemens (mS)
1,000
Microsiemens (µS)
1,000,000
Kilosiemens (kS)
0.001
Mho (Reciprocal Ohm) (℧)
1

Electric Conductance Unit Definitions & Symbols

Siemens (S)

SI

SI derived unit of electrical conductance (1 S = 1 A/V = 1 Ω⁻¹).

Millisiemens (mS)

METRIC

One-thousandth of a Siemens (0.001 S).

Microsiemens (µS)

METRIC

One-millionth of a Siemens (10⁻⁶ S).

Kilosiemens (kS)

METRIC

Equal to 1,000 Siemens.

Mho (Reciprocal Ohm) (℧)

OTHER

Traditional name for reciprocal ohm (1 ℧ = 1 S).

References

NIST · BIPM · ISO
  1. [1]
    NIST (NIST HB 133 / SP 811)·Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition & NIST SP 811
    NIST HB 133 Standard
  2. [2]
    BIPM (BIPM SI-9)·The International System of Units (SI Brochure, 9th Edition)
    BIPM SI Brochure
  3. [3]
    NIST SP 811 (NIST SP 811 App. B.9)·NIST Guide to the SI, Appendix B.9: Factors for Units Listed by Kind of Quantity or Field of Science
    NIST SP 811 Appendix B.9
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