Nanosiemens is 1e-9 siemens units.
Nanosiemens to Siemens Converter — nS to S
Convert Nanosiemens (nS) to Siemens (S) using the exact conversion factor (1 nanosiemens = 1e-9 siemens). See the formula, worked examples, and conversion table.
Nanosiemens to Siemens 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.
Siemens is the SI unit of conductance.
Result = input x 1e-9 / 1.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Nanosiemens to Siemens
Nanosiemens and Siemens 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: Nanosiemens is 1e-9 siemens units, and siemens is the SI unit of conductance.
Formula
siemens = nanosiemens × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 nanosiemens equals 1e-9 base units, and 1 siemens equals 1 base unit, so dividing one by the other gives the direct nanosiemens-to-siemens factor of 1e-9.
Simple example
1 nS × 1e-9 = 1e-9 S
1 nanosiemens = 1e-9 siemens.
Real-world example
120 nS × 1e-9 = 1.2e-7 S
120 nanosiemens = 1.2e-7 siemens.
Conversion table
| Nanosiemens (nS) | Siemens (S) |
|---|---|
| 1 nS | 1e-9 S |
| 5 nS | 5e-9 S |
| 12 nS | 1.2e-8 S |
| 24 nS | 2.4e-8 S |
| 120 nS | 1.2e-7 S |
| 240 nS | 2.4e-7 S |
Reverse conversion: Siemens to Nanosiemens
1e-9 S × 1000000000 = 1 nS
1e-9 siemens = 1 nanosiemens.
nanosiemens = siemens × 1000000000
For a page dedicated to this direction, see Siemens to Nanosiemens.
Understanding the Nanosiemens (nS)
Nanosiemens is 1e-9 siemens units.
Understanding the Siemens (S)
Siemens is the SI unit of conductance.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many siemens are in 1 nanosiemens?
1 nanosiemens equals 1e-9 siemens, using the exact defined conversion factor rather than an estimate.
How do I convert nanosiemens to siemens?
Multiply the nanosiemens value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert siemens back to nanosiemens?
Use the reverse factor: 1 siemens equals 1,000,000,000 nanosiemens. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanosiemens?
Nanosiemens (nS) is a unit of electricity.
What is a siemens?
Siemens (S) is a unit of electricity.
Is the nanosiemens to siemens conversion exact?
Yes. Both nanosiemens and siemens are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 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.