Convert Amperes per inch to Microamperes per metre
Convert Amperes per inch (A/in) to Microamperes per metre (µA/m) instantly and accurately.
Conversion Formula
µA/m = A/in × 39370078.74
About Amperes per inch
The ampere per inch (A/in) equals 1/0.0254 A/m ≈ 39.370 A/m. Standard unit in US magnetic core and inductor datasheets from manufacturers like Magnetics Inc. and Ferroxcube; B-H curves and core loss specifications for powder cores and ferrites are commonly plotted in Oe (H-axis) or A/in in North American catalogs. 1 A/in = 1/0.0254 A/m ≈ 39.37 A/m.
About Microamperes per metre
The microampere per metre (µA/m) equals 10⁻⁶ A/m. The Earth's geomagnetic field at mid-latitudes is approximately 40-50 A/m (50 000 nT / µ₀); low-frequency EMC immunity testing of sensitive electronics involves µA/m-level ambient AC magnetic fields. 1 µA/m = 10⁻⁶ A/m = 10⁻³ mA/m.
Quick Reference Table
| Amperes per inch (A/in) | Microamperes per metre (µA/m) |
|---|---|
| 1 A/in | 39370100 µA/m |
| 2 A/in | 78740200 µA/m |
| 5 A/in | 196850000 µA/m |
| 10 A/in | 393701000 µA/m |
| 25 A/in | 984252000 µA/m |
| 50 A/in | 1.969 × 109 µA/m |
| 100 A/in | 3.937 × 109 µA/m |