Femtoampere is 1e-15 ampere units.
Femtoamperes to Microamperes Converter — fA to uA
Convert Femtoampere (fA) to Microampere (uA) using the exact conversion factor (1 femtoampere = 1e-9 microampere). See the formula, worked examples, and conversion table.
Femtoamperes to Microamperes 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.
Microampere is 0.000001 ampere units.
Result = input x 1e-15 / 1e-6.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Femtoamperes to Microamperes
Femtoampere and Microampere 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: Femtoampere is 1e-15 ampere units, and microampere is 0.000001 ampere units.
Formula
microamperes = femtoamperes × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 femtoampere equals 1e-15 base units, and 1 microampere equals 0.000001 base units, so dividing one by the other gives the direct femtoampere-to-microampere factor of 1e-9.
Simple example
1 fA × 1e-9 = 1e-9 uA
1 femtoampere = 1e-9 microamperes.
Real-world example
120 fA × 1e-9 = 1.2e-7 uA
120 femtoamperes = 1.2e-7 microamperes.
Conversion table
| Femtoampere (fA) | Microampere (uA) |
|---|---|
| 1 fA | 1e-9 uA |
| 5 fA | 5e-9 uA |
| 12 fA | 1.2e-8 uA |
| 24 fA | 2.4e-8 uA |
| 120 fA | 1.2e-7 uA |
| 240 fA | 2.4e-7 uA |
Reverse conversion: Microampere to Femtoampere
1e-9 uA × 1000000000 = 1 fA
1e-9 microamperes = 1 femtoampere.
femtoamperes = microamperes × 1000000000
For a page dedicated to this direction, see Microampere to Femtoampere.
Understanding the Femtoampere (fA)
Femtoampere is 1e-15 ampere units.
Understanding the Microampere (uA)
Microampere is 0.000001 ampere units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microamperes are in 1 femtoampere?
1 femtoampere equals 1e-9 microamperes, using the exact defined conversion factor rather than an estimate.
How do I convert femtoampere to microampere?
Multiply the femtoampere value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert microampere back to femtoampere?
Use the reverse factor: 1 microampere equals 1,000,000,000 femtoamperes. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtoampere?
Femtoampere (fA) is a unit of electricity.
What is a microampere?
Microampere (uA) is a unit of electricity.
Is the femtoampere to microampere conversion exact?
Yes. Both femtoampere and microampere are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 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.