Yoctosiemens is 1e-24 siemens units.
Yoctosiemens to Attosiemens Converter — yS to aS
Convert Yoctosiemens (yS) to Attosiemens (aS) using the exact conversion factor (1 yoctosiemens = 0.000001 attosiemens). See the formula, worked examples, and conversion table.
Yoctosiemens 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-24 / 1e-18.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Yoctosiemens to Attosiemens
Yoctosiemens 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: Yoctosiemens is 1e-24 siemens units, and attosiemens is 1e-18 siemens units.
Formula
attosiemens = yoctosiemens × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctosiemens equals 1e-24 base units, and 1 attosiemens equals 1e-18 base units, so dividing one by the other gives the direct yoctosiemens-to-attosiemens factor of 0.000001.
Simple example
1 yS × 0.000001 = 0.000001 aS
1 yoctosiemens = 0.000001 attosiemens.
Real-world example
120 yS × 0.000001 = 0.00012 aS
120 yoctosiemens = 0.00012 attosiemens.
Conversion table
| Yoctosiemens (yS) | Attosiemens (aS) |
|---|---|
| 1 yS | 0.000001 aS |
| 5 yS | 0.000005 aS |
| 12 yS | 0.000012 aS |
| 24 yS | 0.000024 aS |
| 120 yS | 0.00012 aS |
| 240 yS | 0.00024 aS |
Reverse conversion: Attosiemens to Yoctosiemens
0.000001 aS × 1000000 = 1 yS
0.000001 attosiemens = 1 yoctosiemens.
yoctosiemens = attosiemens × 1000000
For a page dedicated to this direction, see Attosiemens to Yoctosiemens.
Understanding the Yoctosiemens (yS)
Yoctosiemens is 1e-24 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 yoctosiemens?
1 yoctosiemens equals 0.000001 attosiemens, using the exact defined conversion factor rather than an estimate.
How do I convert yoctosiemens to attosiemens?
Multiply the yoctosiemens value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert attosiemens back to yoctosiemens?
Use the reverse factor: 1 attosiemens equals 1,000,000 yoctosiemens. You can also use the swap control in the converter above to flip the direction instantly.
What is a yoctosiemens?
Yoctosiemens (yS) is a unit of electricity.
What is a attosiemens?
Attosiemens (aS) is a unit of electricity.
Is the yoctosiemens to attosiemens conversion exact?
Yes. Both yoctosiemens and attosiemens are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 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.