Convert Millisiemens to Megasiemens

Convert Millisiemens (mS) to Megasiemens (MS) instantly and accurately.

Millisiemens (mS)
Megasiemens (MS)

Conversion Formula

MS = mS × 1.000000000e-9

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 Megasiemens

The megasiemens (MS) equals 10⁶ S, the scale for very-low-resistance metallic structures such as thick busbars and short heavy-gauge connectors. A 10 cm long, 1 cm² copper bar has conductance of roughly 600 MS; aluminium overhead grid feeders have per-span conductances in the megasiemens range; conductance of grain boundaries in polycrystalline conductors at cryogenic temperatures reaches megasiemens. 1 MS = 10⁶ S = 10³ kS.

Quick Reference Table

Millisiemens (mS)Megasiemens (MS)
1 mS1 × 10-9 MS
2 mS2 × 10-9 MS
5 mS5 × 10-9 MS
10 mS1 × 10-8 MS
25 mS2.5 × 10-8 MS
50 mS5 × 10-8 MS
100 mS1 × 10-7 MS

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