Picocoulomb is 1e-12 coulomb units.
Picocoulombs to Gigacoulombs Converter — pC to GC
Convert Picocoulomb (pC) to Gigacoulomb (GC) using the exact conversion factor (1 picocoulomb = 1e-21 gigacoulomb). See the formula, worked examples, and conversion table.
Picocoulombs to Gigacoulombs 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.
Gigacoulomb is 1000000000 coulomb units.
Result = input x 1e-12 / 1e+9.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Picocoulombs to Gigacoulombs
Picocoulomb and Gigacoulomb 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: Picocoulomb is 1e-12 coulomb units, and gigacoulomb is 1000000000 coulomb units.
Formula
gigacoulombs = picocoulombs × 1e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 picocoulomb equals 1e-12 base units, and 1 gigacoulomb equals 1000000000 base units, so dividing one by the other gives the direct picocoulomb-to-gigacoulomb factor of 1e-21.
Simple example
1 pC × 1e-21 = 1e-21 GC
1 picocoulomb = 1e-21 gigacoulombs.
Real-world example
120 pC × 1e-21 = 1.2e-19 GC
120 picocoulombs = 1.2e-19 gigacoulombs.
Conversion table
| Picocoulomb (pC) | Gigacoulomb (GC) |
|---|---|
| 1 pC | 1e-21 GC |
| 5 pC | 5e-21 GC |
| 12 pC | 1.2e-20 GC |
| 24 pC | 2.4e-20 GC |
| 120 pC | 1.2e-19 GC |
| 240 pC | 2.4e-19 GC |
Reverse conversion: Gigacoulomb to Picocoulomb
1e-21 GC × 1e+21 = 1 pC
1e-21 gigacoulombs = 1 picocoulomb.
picocoulombs = gigacoulombs × 1e+21
For a page dedicated to this direction, see Gigacoulomb to Picocoulomb.
Understanding the Picocoulomb (pC)
Picocoulomb is 1e-12 coulomb units.
Understanding the Gigacoulomb (GC)
Gigacoulomb is 1000000000 coulomb units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigacoulombs are in 1 picocoulomb?
1 picocoulomb equals 1e-21 gigacoulombs, using the exact defined conversion factor rather than an estimate.
How do I convert picocoulomb to gigacoulomb?
Multiply the picocoulomb value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert gigacoulomb back to picocoulomb?
Use the reverse factor: 1 gigacoulomb equals 1e+21 picocoulombs. You can also use the swap control in the converter above to flip the direction instantly.
What is a picocoulomb?
Picocoulomb (pC) is a unit of electricity.
What is a gigacoulomb?
Gigacoulomb (GC) is a unit of electricity.
Is the picocoulomb to gigacoulomb conversion exact?
Yes. Both picocoulomb and gigacoulomb are defined by fixed standards rather than physical artifacts, so the factor of 1e-21 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.