Petafarad is 1000000000000000 farad units.
Petafarads to Exafarads Converter — PF to EF
Convert Petafarad (PF) to Exafarad (EF) using the exact conversion factor (1 petafarad = 0.001 exafarad). See the formula, worked examples, and conversion table.
Petafarads to Exafarads 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.
Exafarad is 1000000000000000000 farad units.
Result = input x 1e+15 / 1e+18.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Petafarads to Exafarads
Petafarad and Exafarad 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: Petafarad is 1000000000000000 farad units, and exafarad is 1000000000000000000 farad units.
Formula
exafarads = petafarads × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 petafarad equals 1e+15 base units, and 1 exafarad equals 1e+18 base units, so dividing one by the other gives the direct petafarad-to-exafarad factor of 0.001.
Simple example
1 PF × 0.001 = 0.001 EF
1 petafarad = 0.001 exafarads.
Real-world example
120 PF × 0.001 = 0.12 EF
120 petafarads = 0.12 exafarads.
Conversion table
| Petafarad (PF) | Exafarad (EF) |
|---|---|
| 1 PF | 0.001 EF |
| 5 PF | 0.005 EF |
| 12 PF | 0.012 EF |
| 24 PF | 0.024 EF |
| 120 PF | 0.12 EF |
| 240 PF | 0.24 EF |
Reverse conversion: Exafarad to Petafarad
0.001 EF × 1000 = 1 PF
0.001 exafarads = 1 petafarad.
petafarads = exafarads × 1000
For a page dedicated to this direction, see Exafarad to Petafarad.
Understanding the Petafarad (PF)
Petafarad is 1000000000000000 farad units.
Understanding the Exafarad (EF)
Exafarad is 1000000000000000000 farad units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many exafarads are in 1 petafarad?
1 petafarad equals 0.001 exafarads, using the exact defined conversion factor rather than an estimate.
How do I convert petafarad to exafarad?
Multiply the petafarad value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert exafarad back to petafarad?
Use the reverse factor: 1 exafarad equals 1,000 petafarads. You can also use the swap control in the converter above to flip the direction instantly.
What is a petafarad?
Petafarad (PF) is a unit of electricity.
What is a exafarad?
Exafarad (EF) is a unit of electricity.
Is the petafarad to exafarad conversion exact?
Yes. Both petafarad and exafarad 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.