Nanosiemens is 1e-9 siemens units.
Nanosiemens to Attosiemens Converter — nS to aS
Convert Nanosiemens (nS) to Attosiemens (aS) using the exact conversion factor (1 nanosiemens = 1,000,000,000 attosiemens). See the formula, worked examples, and conversion table.
Nanosiemens to Attosiemens 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.
Attosiemens is 1e-18 siemens units.
Result = input x 1e-9 / 1e-18.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Nanosiemens to Attosiemens
Nanosiemens and Attosiemens 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 attosiemens is 1e-18 siemens units.
Formula
attosiemens = nanosiemens × 1000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 nanosiemens equals 1e-9 base units, and 1 attosiemens equals 1e-18 base units, so dividing one by the other gives the direct nanosiemens-to-attosiemens factor of 1000000000.
Simple example
1 nS × 1000000000 = 1,000,000,000 aS
1 nanosiemens = 1,000,000,000 attosiemens.
Real-world example
120 nS × 1000000000 = 120,000,000,000 aS
120 nanosiemens = 120,000,000,000 attosiemens.
Conversion table
| Nanosiemens (nS) | Attosiemens (aS) |
|---|---|
| 1 nS | 1,000,000,000 aS |
| 5 nS | 5,000,000,000 aS |
| 12 nS | 12,000,000,000 aS |
| 24 nS | 24,000,000,000 aS |
| 120 nS | 120,000,000,000 aS |
| 240 nS | 240,000,000,000 aS |
Reverse conversion: Attosiemens to Nanosiemens
1 aS × 1e-9 = 1e-9 nS
1 attosiemens = 1e-9 nanosiemens.
nanosiemens = attosiemens × 1e-9
For a page dedicated to this direction, see Attosiemens to Nanosiemens.
Understanding the Nanosiemens (nS)
Nanosiemens is 1e-9 siemens units.
Understanding the Attosiemens (aS)
Attosiemens is 1e-18 siemens units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attosiemens are in 1 nanosiemens?
1 nanosiemens equals 1,000,000,000 attosiemens, using the exact defined conversion factor rather than an estimate.
How do I convert nanosiemens to attosiemens?
Multiply the nanosiemens value by 1000000000. The converter above does this instantly to whatever precision you set.
How do I convert attosiemens back to nanosiemens?
Use the reverse factor: 1 attosiemens equals 1e-9 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 attosiemens?
Attosiemens (aS) is a unit of electricity.
Is the nanosiemens to attosiemens conversion exact?
Yes. Both nanosiemens and attosiemens are defined by fixed standards rather than physical artifacts, so the factor of 1000000000 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.