Ampere (A)
The ampere (A) is the SI base unit of electric current — one coulomb of charge passing a point per second.
Amperes quantify circuit current, fuse ratings, charger output, and any flow of electric charge in conductors.
Convert ampere to kiloampere instantly. Type in either field — results update live.
Selected A values converted to kA using the exact factor from this tool.
| A | kA |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1,000 | 1 |
Exact conversion factors in both directions, plus a worked example.
1 A = 0.001 kA
1 kA = 1000 A
To convert ampere to kiloampere, multiply by 0.001.
To convert kiloampere to ampere, multiply by 1000.
Example: convert 10 A to kA
10 × 0.001 = 0.01 kA
Short background on the units used in this conversion.
The ampere (A) is the SI base unit of electric current — one coulomb of charge passing a point per second.
Amperes quantify circuit current, fuse ratings, charger output, and any flow of electric charge in conductors.
The kiloampere (kA) equals 1,000 amperes — used for industrial busbars, smelting cells, and high-power distribution.
Kiloamperes describe short-circuit levels, electrolytic processes, and utility-scale fault currents.
kA = A × 0.001A = kA × 1,000, using the same exact factors as this converter.