Convert Amperes per inch to Megaamperes per metre
Convert Amperes per inch (A/in) to Megaamperes per metre (MA/m) instantly and accurately.
Conversion Formula
MA/m = A/in × 3.937007874e-5
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 Megaamperes per metre
The megaampere per metre (MA/m) equals 10⁶ A/m. High-field electromagnets for physics research (Bitter magnets, hybrid magnets) generate 40-100 T requiring MA/m fields; particle accelerator dipole magnets (LHC: 8.3 T) operate at several MA/m; saturation magnetisation of iron is ≈1.36 MA/m. 1 MA/m = 10⁶ A/m ≈ 12 566 Oe.
Quick Reference Table
| Amperes per inch (A/in) | Megaamperes per metre (MA/m) |
|---|---|
| 1 A/in | 3.937 × 10-5 MA/m |
| 2 A/in | 7.874 × 10-5 MA/m |
| 5 A/in | 0.00019685 MA/m |
| 10 A/in | 0.000393701 MA/m |
| 25 A/in | 0.000984252 MA/m |
| 50 A/in | 0.0019685 MA/m |
| 100 A/in | 0.00393701 MA/m |