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Convert Millisiemens to Siemens

1 millisiemens = 0.001 siemens. Multiply the number of millisiemens by 0.001.

Result
0.001

1 mS = 0.001 S

Multiply the number of millisiemens by 0.001.

Results are rounded for display. Double-check values for critical work.

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Millisiemens to Siemens table

MillisiemensSiemens
1 mS0.001 S
2 mS0.002 S
3 mS0.003 S
4 mS0.004 S
5 mS0.005 S
10 mS0.01 S
20 mS0.02 S
25 mS0.025 S
50 mS0.05 S
100 mS0.1 S
500 mS0.5 S
1000 mS1 S

About these units

The millisiemens (mS) is a metric unit of electric conductance, equal to 0.001 siemens.

The siemens (S) is an SI base or derived unit of electric conductance.

Going the other way, 1 siemens = 1,000 millisiemens. Conductance is the reciprocal of resistance: a 1 ohm resistor conducts 1 siemens. The older name mho, ohm spelled backwards, is still printed on many instruments and means exactly the same thing.

Frequently asked

How many siemens are in a millisiemens?
1 millisiemens = 0.001 siemens.
How do you convert millisiemens to siemens?
Multiply the number of millisiemens by 0.001.
What is 10 mS in S?
10 mS = 0.01 S.

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