Convert Oersteds to Kilooersteds
Convert Oersteds (Oe) to Kilooersteds (kOe) instantly and accurately.
Conversion Formula
kOe = Oe × 0.001
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 Kilooersteds
The kilooersted (kOe) equals 10⁶/(4π) A/m ≈ 79 577 A/m. Standard unit for permanent magnet coercivity in North American and Japanese industry datasheets: AlNiCo magnets have Hᴄ = 1-2 kOe, hard ferrites 1.5-4 kOe, NdFeB 10-30 kOe, SmCo 15-30 kOe. X-band EPR spectrometers sweep H from 0 to ≈3.5 kOe. 1 kOe = 10⁶/(4π) A/m.
Quick Reference Table
| Oersteds (Oe) | Kilooersteds (kOe) |
|---|---|
| 1 Oe | 0.001 kOe |
| 2 Oe | 0.002 kOe |
| 5 Oe | 0.005 kOe |
| 10 Oe | 0.01 kOe |
| 25 Oe | 0.025 kOe |
| 50 Oe | 0.05 kOe |
| 100 Oe | 0.1 kOe |