Convert Kiloamperes to Attoamperes
Convert Kiloamperes (kA) to Attoamperes (aA) instantly and accurately.
Conversion Formula
aA = kA × 1.000000000e+21
About Kiloamperes
The kiloampere (kA) equals 10³ A, the scale of industrial arc furnaces, short-circuit fault currents in power networks, and lightning return strokes. Medium-frequency induction furnaces for steel melting operate at 1-10 kA; substation busbar faults can reach 50-100 kA; a typical cloud-to-ground lightning stroke carries 10-30 kA for tens of microseconds. 1 kA = 10³ A = 10⁻³ MA.
About Attoamperes
The attoampere (aA) equals 10⁻¹⁸ A, the scale of single-electron tunnelling currents in quantum devices. Individual electrons tunnelling through a molecular junction or quantum dot produce average currents of order 1-100 aA when measured at sub-microsecond resolution; cryogenic shot-noise electrometers achieve sub-attoampere sensitivity. 1 aA = 10⁻³ fA = 10⁻¹⁸ A.
Quick Reference Table
| Kiloamperes (kA) | Attoamperes (aA) |
|---|---|
| 1 kA | 1 × 1021 aA |
| 2 kA | 2 × 1021 aA |
| 5 kA | 5 × 1021 aA |
| 10 kA | 1 × 1022 aA |
| 25 kA | 2.5 × 1022 aA |
| 50 kA | 5 × 1022 aA |
| 100 kA | 1 × 1023 aA |