Conductance Converter
Convert electrical conductance between siemens, mhos, and common prefixes.
Converter guide
About Conductance Converter
Electrical conductance describes how readily current can pass through a component. It is the reciprocal of resistance and is measured in siemens, sometimes called mhos in older material. This converter changes units and SI prefixes for circuit calculations and reference documents.
How to use this converter
- 1Enter the conductance measurement from the source.
- 2Select its unit and the unit you want to use. Watch prefixes such as milli, micro, and nano, which differ by powers of one thousand.
- 3Review the result and its unit label. If you need resistance, take the reciprocal only when the conductance is non-zero.
Conversion method and technical details
The SI unit is the siemens (S), equal to one ampere per volt. Conductance G and resistance R are related by G=1/R for a simple two-terminal resistive element. The converter applies fixed scaling factors between supported prefixes and related units.
Worked real-world example
A conductance of 2 mS equals 0.002 S. For an ideal resistor with this conductance, the reciprocal resistance is 500 Ω.
Common scenarios and use cases
Translate datasheet values, compare circuit models, and move between SI prefixes in electrical calculations.
For a dependable comparison, confirm both unit labels, keep the original measurement with the converted value, and use the precision required by the task. The converter changes the representation of a value; it does not measure the item or decide which standard your project requires.
Important details and limitations
Real components can be nonlinear, frequency-dependent, or affected by temperature. The simple reciprocal relationship assumes a suitable resistive model and non-zero conductance. Unit conversion does not measure a device or validate a circuit.
Check the output unit as well as the number. If the result will be reused in another calculation, retain full precision where possible and round only at the end. For measurements governed by a technical specification, use the standard and tolerance required by that document.
Frequently asked questions
What is a siemens?
It is the SI unit of conductance, equal to the reciprocal of an ohm.
Is mho still used?
It appears in older references; siemens is the standard modern name.
Can I convert conductance directly to resistance?
Unit conversion alone does not do that; use the reciprocal for a compatible non-zero value.
Why can the converted number look much larger or smaller?
Different units use different scales. A measurement can have a larger number in a smaller unit and still describe the same quantity. Check the source and target unit labels before comparing values.
How many decimal places should I keep?
Keep enough precision for the job and avoid rounding values between steps. Round the final displayed answer to match the specification, document, or measuring tool you are using.