Convert Oersteds to Kiloamperes per metre
Convert Oersteds (Oe) to Kiloamperes per metre (kA/m) instantly and accurately.
Conversion Formula
kA/m = Oe × 0.07957747155
About Oersteds
The oersted (Oe) equals exactly 1000/(4π) A/m ≈ 79.577 A/m, the CGS unit of magnetic field strength named after Hans Christian Ørsted. Still widely used in permanent magnet characterisation (NdFeB, SmCo, AlNiCo), magnetic recording, and older MRI literature. Earth's surface field is ≈ 0.5 Oe; a typical speaker magnet ≈ 5000 Oe. 1 Oe = 1000/(4π) A/m.
About Kiloamperes per metre
The kiloampere per metre (kA/m) equals 10³ A/m. The primary practical unit for strong magnetic fields - MRI scanner bore fields of 1-3 T correspond to 800 kA/m-2.4 MA/m in free space; coercivity of hard ferrite permanent magnets (ceramic) is 150-300 kA/m; NdFeB magnets have coercivity 900-2000 kA/m. 1 kA/m = 10³ A/m ≈ 12.566 Oe.
Quick Reference Table
| Oersteds (Oe) | Kiloamperes per metre (kA/m) |
|---|---|
| 1 Oe | 0.0795775 kA/m |
| 2 Oe | 0.159155 kA/m |
| 5 Oe | 0.397887 kA/m |
| 10 Oe | 0.795775 kA/m |
| 25 Oe | 1.98944 kA/m |
| 50 Oe | 3.97887 kA/m |
| 100 Oe | 7.95775 kA/m |