Hectofarad is 100 farad units.
Hectofarads to Exafarads Converter — hF to EF
Convert Hectofarad (hF) to Exafarad (EF) using the exact conversion factor (1 hectofarad = 1e-16 exafarad). See the formula, worked examples, and conversion table.
Hectofarads 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 100 / 1e+18.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Hectofarads to Exafarads
Hectofarad 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: Hectofarad is 100 farad units, and exafarad is 1000000000000000000 farad units.
Formula
exafarads = hectofarads × 1e-16
This factor comes from each unit's defined relationship to the category's base unit: 1 hectofarad equals 100 base units, and 1 exafarad equals 1e+18 base units, so dividing one by the other gives the direct hectofarad-to-exafarad factor of 1e-16.
Simple example
1 hF × 1e-16 = 1e-16 EF
1 hectofarad = 1e-16 exafarads.
Real-world example
120 hF × 1e-16 = 1.2e-14 EF
120 hectofarads = 1.2e-14 exafarads.
Conversion table
| Hectofarad (hF) | Exafarad (EF) |
|---|---|
| 1 hF | 1e-16 EF |
| 5 hF | 5e-16 EF |
| 12 hF | 1.2e-15 EF |
| 24 hF | 2.4e-15 EF |
| 120 hF | 1.2e-14 EF |
| 240 hF | 2.4e-14 EF |
Reverse conversion: Exafarad to Hectofarad
1e-16 EF × 1e+16 = 1 hF
1e-16 exafarads = 1 hectofarad.
hectofarads = exafarads × 1e+16
For a page dedicated to this direction, see Exafarad to Hectofarad.
Understanding the Hectofarad (hF)
Hectofarad is 100 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 hectofarad?
1 hectofarad equals 1e-16 exafarads, using the exact defined conversion factor rather than an estimate.
How do I convert hectofarad to exafarad?
Multiply the hectofarad value by 1e-16. The converter above does this instantly to whatever precision you set.
How do I convert exafarad back to hectofarad?
Use the reverse factor: 1 exafarad equals 1e+16 hectofarads. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectofarad?
Hectofarad (hF) is a unit of electricity.
What is a exafarad?
Exafarad (EF) is a unit of electricity.
Is the hectofarad to exafarad conversion exact?
Yes. Both hectofarad and exafarad are defined by fixed standards rather than physical artifacts, so the factor of 1e-16 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.