Convert Amperes per foot to Kilooersteds
Convert Amperes per foot (A/ft) to Kilooersteds (kOe) instantly and accurately.
Conversion Formula
kOe = A/ft × 4.122825005e-5
About Amperes per foot
The ampere per foot (A/ft) equals 1/0.3048 A/m ≈ 3.281 A/m. Used in US electromagnetic coil design and transformer winding specifications where dimensions are in feet; older US Navy and DoD magnetic shielding specifications for shipboard demagnetisation state H values in A/ft. 1 A/ft = 1/0.3048 A/m ≈ 3.2808 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
| Amperes per foot (A/ft) | Kilooersteds (kOe) |
|---|---|
| 1 A/ft | 4.123 × 10-5 kOe |
| 2 A/ft | 8.246 × 10-5 kOe |
| 5 A/ft | 0.000206141 kOe |
| 10 A/ft | 0.000412283 kOe |
| 25 A/ft | 0.00103071 kOe |
| 50 A/ft | 0.00206141 kOe |
| 100 A/ft | 0.00412283 kOe |