Convert Millisiemens to Microsiemens

Convert Millisiemens (mS) to Microsiemens (µS) instantly and accurately.

Millisiemens (mS)
Microsiemens (µS)

Conversion Formula

µS = mS × 1000

About Millisiemens

The millisiemens (mS) equals 10⁻³ S, covering physiological saline, seawater, and electrochemical cell conductances. Seawater conductivity is about 50 mS/cm; blood plasma is around 15 mS/cm; a 1 kΩ resistor presents 1 mS; a forward-biased transistor junction at a few milliamperes has dynamic conductance in the millisiemens range. 1 mS = 10⁻³ S = 10³ µS.

About Microsiemens

The microsiemens (µS) equals 10⁻⁶ S, the standard unit for water-quality conductivity measurement and analogue signal-path impedance. Drinking water has conductivity of 50-500 µS/cm; a 1 MΩ resistor presents 1 µS; conductivity meters for hydroponics and aquaculture read directly in microsiemens or millisiemens per centimetre. 1 µS = 10⁻³ mS = 10⁻⁶ S.

Quick Reference Table

Millisiemens (mS)Microsiemens (µS)
1 mS1000 µS
2 mS2000 µS
5 mS5000 µS
10 mS10000 µS
25 mS25000 µS
50 mS50000 µS
100 mS100000 µS

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