Convert Microamperes to Gigaamperes
Convert Microamperes (µA) to Gigaamperes (GA) instantly and accurately.
Conversion Formula
GA = µA × 1.000000000e-15
About Microamperes
The microampere (µA) equals 10⁻⁶ A, common in low-power sensor circuits, analogue signal conditioning, and bioelectrical measurement. Surface ECG electrodes record body currents of 1-100 µA; a 1 mW signal at 5 V draws 200 µA; modern low-power microcontrollers sleep at 1-10 µA, enabling coin-cell operation for months or years. 1 µA = 10⁻³ mA = 10³ nA.
About Gigaamperes
The gigaampere (GA) equals 10⁹ A, a scale that lies beyond any man-made device and arises only in extreme astrophysical or geophysical contexts. Large-scale magnetospheric Birkeland field-aligned currents between Earth's ionosphere and magnetosphere are estimated at 1-10 MA total, well below 1 GA; however, pulsar magnetosphere discharge models and neutron-star lightning analogues are sometimes expressed in gigaampere terms. 1 GA = 10⁹ A = 10³ MA.
Quick Reference Table
| Microamperes (µA) | Gigaamperes (GA) |
|---|---|
| 1 µA | 1 × 10-15 GA |
| 2 µA | 2 × 10-15 GA |
| 5 µA | 5 × 10-15 GA |
| 10 µA | 1 × 10-14 GA |
| 25 µA | 2.5 × 10-14 GA |
| 50 µA | 5 × 10-14 GA |
| 100 µA | 1 × 10-13 GA |