Microampere is 0.000001 ampere units.
Microamperes to Petaamperes Converter — uA to PA
Convert Microampere (uA) to Petaampere (PA) using the exact conversion factor (1 microampere = 1e-21 petaampere). See the formula, worked examples, and conversion table.
Microamperes to Petaamperes 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.
Petaampere is 1000000000000000 ampere 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 Microamperes to Petaamperes
Microampere and Petaampere 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: Microampere is 0.000001 ampere units, and petaampere is 1000000000000000 ampere units.
Formula
petaamperes = microamperes × 1e-21
This factor comes from each unit's defined relationship to the category's base unit: 1 microampere equals 0.000001 base units, and 1 petaampere equals 1e+15 base units, so dividing one by the other gives the direct microampere-to-petaampere factor of 1e-21.
Simple example
1 uA × 1e-21 = 1e-21 PA
1 microampere = 1e-21 petaamperes.
Real-world example
120 uA × 1e-21 = 1.2e-19 PA
120 microamperes = 1.2e-19 petaamperes.
Conversion table
| Microampere (uA) | Petaampere (PA) |
|---|---|
| 1 uA | 1e-21 PA |
| 5 uA | 5e-21 PA |
| 12 uA | 1.2e-20 PA |
| 24 uA | 2.4e-20 PA |
| 120 uA | 1.2e-19 PA |
| 240 uA | 2.4e-19 PA |
Reverse conversion: Petaampere to Microampere
1e-21 PA × 1e+21 = 1 uA
1e-21 petaamperes = 1 microampere.
microamperes = petaamperes × 1e+21
For a page dedicated to this direction, see Petaampere to Microampere.
Understanding the Microampere (uA)
Microampere is 0.000001 ampere units.
Understanding the Petaampere (PA)
Petaampere is 1000000000000000 ampere units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petaamperes are in 1 microampere?
1 microampere equals 1e-21 petaamperes, using the exact defined conversion factor rather than an estimate.
How do I convert microampere to petaampere?
Multiply the microampere value by 1e-21. The converter above does this instantly to whatever precision you set.
How do I convert petaampere back to microampere?
Use the reverse factor: 1 petaampere equals 1e+21 microamperes. You can also use the swap control in the converter above to flip the direction instantly.
What is a microampere?
Microampere (uA) is a unit of electricity.
What is a petaampere?
Petaampere (PA) is a unit of electricity.
Is the microampere to petaampere conversion exact?
Yes. Both microampere and petaampere 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.