Surface Current Density converter
Current density in a conductor, the A/mm² figure that decides cable sizing and heating.
Converter
Quick pairs
tap to loadOne ampere per square millimeter in every surface current density unit
5 rows| Unit | Symbol | 1 A/mm² equals |
|---|---|---|
| Ampere per square meter | A/m² | 1,000,000 |
| Ampere per square centimeter | A/cm² | 100 |
| Ampere per square inch | A/in² | 645.16 |
| Kiloampere per square meter | kA/m² | 1,000 |
| Abampere per square centimeter | abA/cm² | 10 |
How the ampere per square millimeter to ampere per square meter conversion works
Multiply by 1,000,000 to go from ampere per square millimeter to ampere per square meter:
A/m² = A/mm² × 1,000,000
Going the other way, multiply by 1e-6, which is the same as dividing by 1,000,000.
Questions
How many ampere per square meter are in one ampere per square millimeter?
One ampere per square millimeter equals 1,000,000 ampere per square meter.
Which units does this surface current density converter cover?
6 units in total, all referenced to the ampere per square meter. They include ampere per square meter, ampere per square centimeter, ampere per square millimeter, ampere per square inch, kiloampere per square meter, abampere per square centimeter and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.