Femtosiemens is 1e-15 siemens units.
Femtosiemens to Picosiemens Converter — fS to pS
Convert Femtosiemens (fS) to Picosiemens (pS) using the exact conversion factor (1 femtosiemens = 0.001 picosiemens). See the formula, worked examples, and conversion table.
Femtosiemens to Picosiemens 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.
Picosiemens is 1e-12 siemens units.
Result = input x 1e-15 / 1e-12.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Femtosiemens to Picosiemens
Femtosiemens and Picosiemens 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: Femtosiemens is 1e-15 siemens units, and picosiemens is 1e-12 siemens units.
Formula
picosiemens = femtosiemens × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 femtosiemens equals 1e-15 base units, and 1 picosiemens equals 1e-12 base units, so dividing one by the other gives the direct femtosiemens-to-picosiemens factor of 0.001.
Simple example
1 fS × 0.001 = 0.001 pS
1 femtosiemens = 0.001 picosiemens.
Real-world example
120 fS × 0.001 = 0.12 pS
120 femtosiemens = 0.12 picosiemens.
Conversion table
| Femtosiemens (fS) | Picosiemens (pS) |
|---|---|
| 1 fS | 0.001 pS |
| 5 fS | 0.005 pS |
| 12 fS | 0.012 pS |
| 24 fS | 0.024 pS |
| 120 fS | 0.12 pS |
| 240 fS | 0.24 pS |
Reverse conversion: Picosiemens to Femtosiemens
0.001 pS × 1000 = 1 fS
0.001 picosiemens = 1 femtosiemens.
femtosiemens = picosiemens × 1000
For a page dedicated to this direction, see Picosiemens to Femtosiemens.
Understanding the Femtosiemens (fS)
Femtosiemens is 1e-15 siemens units.
Understanding the Picosiemens (pS)
Picosiemens is 1e-12 siemens units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picosiemens are in 1 femtosiemens?
1 femtosiemens equals 0.001 picosiemens, using the exact defined conversion factor rather than an estimate.
How do I convert femtosiemens to picosiemens?
Multiply the femtosiemens value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert picosiemens back to femtosiemens?
Use the reverse factor: 1 picosiemens equals 1,000 femtosiemens. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtosiemens?
Femtosiemens (fS) is a unit of electricity.
What is a picosiemens?
Picosiemens (pS) is a unit of electricity.
Is the femtosiemens to picosiemens conversion exact?
Yes. Both femtosiemens and picosiemens are defined by fixed standards rather than physical artifacts, so the factor of 0.001 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.