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Microsiemens to Millisiemens

Convert Microsiemens to Millisiemens and get the exact value instantly.

1 µS = 0.001 mS

About this conversion

To convert Microsiemens to Millisiemens, multiply the number of Microsiemens by 0.001.

Electrical conductance is the inverse of resistance, measured in siemens (once called the mho), with millisiemens and microsiemens common in water-quality and sensor readings.

Conversion table

Microsiemens (µS)Millisiemens (mS)
1 µS0.001 mS
2 µS0.002 mS
5 µS0.005 mS
10 µS0.01 mS
100 µS0.1 mS

How to use this converter

  1. Enter your Microsiemens value

    Type any number into the Microsiemens field. It starts at 1 so you can read the rate straight away.

  2. Read the Millisiemens result

    The amount in Millisiemens updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Millisiemens are in one Microsiemens?
One Microsiemens equals 0.001 mS. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Microsiemens to Millisiemens conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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