Microcoulomb is 0.000001 coulomb units.
Microcoulombs to Femtocoulombs Converter — uC to fC
Convert Microcoulomb (uC) to Femtocoulomb (fC) using the exact conversion factor (1 microcoulomb = 1,000,000,000 femtocoulomb). See the formula, worked examples, and conversion table.
Microcoulombs to Femtocoulombs 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.
Femtocoulomb is 1e-15 coulomb units.
Result = input x 1e-6 / 1e-15.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Microcoulombs to Femtocoulombs
Microcoulomb and Femtocoulomb 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: Microcoulomb is 0.000001 coulomb units, and femtocoulomb is 1e-15 coulomb units.
Formula
femtocoulombs = microcoulombs × 1000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 microcoulomb equals 0.000001 base units, and 1 femtocoulomb equals 1e-15 base units, so dividing one by the other gives the direct microcoulomb-to-femtocoulomb factor of 1000000000.
Simple example
1 uC × 1000000000 = 1,000,000,000 fC
1 microcoulomb = 1,000,000,000 femtocoulombs.
Real-world example
120 uC × 1000000000 = 120,000,000,000 fC
120 microcoulombs = 120,000,000,000 femtocoulombs.
Conversion table
| Microcoulomb (uC) | Femtocoulomb (fC) |
|---|---|
| 1 uC | 1,000,000,000 fC |
| 5 uC | 5,000,000,000 fC |
| 12 uC | 12,000,000,000 fC |
| 24 uC | 24,000,000,000 fC |
| 120 uC | 120,000,000,000 fC |
| 240 uC | 240,000,000,000 fC |
Reverse conversion: Femtocoulomb to Microcoulomb
1 fC × 1e-9 = 1e-9 uC
1 femtocoulomb = 1e-9 microcoulombs.
microcoulombs = femtocoulombs × 1e-9
For a page dedicated to this direction, see Femtocoulomb to Microcoulomb.
Understanding the Microcoulomb (uC)
Microcoulomb is 0.000001 coulomb units.
Understanding the Femtocoulomb (fC)
Femtocoulomb is 1e-15 coulomb units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many femtocoulombs are in 1 microcoulomb?
1 microcoulomb equals 1,000,000,000 femtocoulombs, using the exact defined conversion factor rather than an estimate.
How do I convert microcoulomb to femtocoulomb?
Multiply the microcoulomb value by 1000000000. The converter above does this instantly to whatever precision you set.
How do I convert femtocoulomb back to microcoulomb?
Use the reverse factor: 1 femtocoulomb equals 1e-9 microcoulombs. You can also use the swap control in the converter above to flip the direction instantly.
What is a microcoulomb?
Microcoulomb (uC) is a unit of electricity.
What is a femtocoulomb?
Femtocoulomb (fC) is a unit of electricity.
Is the microcoulomb to femtocoulomb conversion exact?
Yes. Both microcoulomb and femtocoulomb are defined by fixed standards rather than physical artifacts, so the factor of 1000000000 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.