Hectosiemens is 100 siemens units.
Hectosiemens to Microsiemens Converter — hS to uS
Convert Hectosiemens (hS) to Microsiemens (uS) using the exact conversion factor (1 hectosiemens = 100,000,000 microsiemens). See the formula, worked examples, and conversion table.
Hectosiemens to Microsiemens converter
Converter
Electricity Converter
Convert electrical units by family and calculate voltage, current, resistance, power, and energy with context values.
Context values
Some unit families need one extra value for a physically accurate result.
Microsiemens is 0.000001 siemens units.
Result = input x 100 / 1e-6.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Hectosiemens to Microsiemens
Hectosiemens and Microsiemens both belong to the electricity family — voltage, current, resistance, power, or energy — units that show up constantly when working across the different standards used by household wiring (120V/240V depending on region), automotive electrical systems (12V/24V), and electronics design. Specifically: Hectosiemens is 100 siemens units, and microsiemens is 0.000001 siemens units.
Formula
microsiemens = hectosiemens × 100000000
This factor comes from each unit's defined relationship to the category's base unit: 1 hectosiemens equals 100 base units, and 1 microsiemens equals 0.000001 base units, so dividing one by the other gives the direct hectosiemens-to-microsiemens factor of 100000000.
Simple example
1 hS × 100000000 = 100,000,000 uS
1 hectosiemens = 100,000,000 microsiemens.
Real-world example
120 hS × 100000000 = 12,000,000,000 uS
120 hectosiemens = 12,000,000,000 microsiemens.
Conversion table
| Hectosiemens (hS) | Microsiemens (uS) |
|---|---|
| 1 hS | 100,000,000 uS |
| 5 hS | 500,000,000 uS |
| 12 hS | 1,200,000,000 uS |
| 24 hS | 2,400,000,000 uS |
| 120 hS | 12,000,000,000 uS |
| 240 hS | 24,000,000,000 uS |
Reverse conversion: Microsiemens to Hectosiemens
1 uS × 1e-8 = 1e-8 hS
1 microsiemens = 1e-8 hectosiemens.
hectosiemens = microsiemens × 1e-8
For a page dedicated to this direction, see Microsiemens to Hectosiemens.
Understanding the Hectosiemens (hS)
Hectosiemens is 100 siemens units.
Understanding the Microsiemens (uS)
Microsiemens is 0.000001 siemens units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microsiemens are in 1 hectosiemens?
1 hectosiemens equals 100,000,000 microsiemens, using the exact defined conversion factor rather than an estimate.
How do I convert hectosiemens to microsiemens?
Multiply the hectosiemens value by 100000000. The converter above does this instantly to whatever precision you set.
How do I convert microsiemens back to hectosiemens?
Use the reverse factor: 1 microsiemens equals 1e-8 hectosiemens. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectosiemens?
Hectosiemens (hS) is a unit of electricity.
What is a microsiemens?
Microsiemens (uS) is a unit of electricity.
Is the hectosiemens to microsiemens conversion exact?
Yes. Both hectosiemens and microsiemens are defined by fixed standards rather than physical artifacts, so the factor of 100000000 used above is exact to as many digits as you choose to display.
What's the difference between voltage, current, and resistance?
Voltage (volts) is the electrical potential difference driving current through a circuit. Current (amperes) is the rate of flow of electric charge. Resistance (ohms) is how much a component opposes that flow. They're related by Ohm's law (V = I × R), but they are distinct physical quantities, and this page converts between units of just one of them.