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Mho Converters

Convert mhos (℧) to siemens, millisiemens, microsiemens, kilomhos and other conductance units.

What this tool does

Convert mhos (℧) to siemens, millisiemens, microsiemens, kilomhos and other conductance units. Type an amount in mhos, choose the units, and the tool converts it to siemens. It offers 15 electrical conductance units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one from 15 options, including Gigasiemens, Megasiemens, Kilosiemens, Siemens, Millisiemens, Microsiemens. Starts as Mho.
  • To: Choose one of the same 15 units as "From". Starts as Siemens.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Mhos and siemens are the same size, so the number does not change: an amount in mhos is the same amount in siemens.

Sources: Mho: NIST SP 811 (2008), Appendix B.8. Siemens: SI Brochure, 9th edition (2019).

Limitations

  • Converts the unit of a conductance only. It does not work out conductance from resistance, current or voltage.
  • Abmho and statmho are historical CGS units, listed for completeness.

FAQs

Q: How many siemens is one mho?
A: Mho (℧) is the older name for the siemens, so 1 mho is exactly 1 siemens. Pick mho as the From unit and siemens as the To unit to confirm it for any value.
Q: Why is it called a mho?
A: Mho is ohm spelled backwards, because conductance is the reciprocal of resistance. The siemens is the SI unit that took its place.
Q: How many millisiemens is one mho?
A: One mho is 1,000 millisiemens and 1,000,000 microsiemens.
Q: Does this show resistance in ohms?
A: No. This page converts between conductance units. Conductance is the reciprocal of resistance, so to get ohms from mhos divide 1 by the conductance in siemens.

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