Convert Amperes per foot to Kiloamperes per metre
Convert Amperes per foot (A/ft) to Kiloamperes per metre (kA/m) instantly and accurately.
Conversion Formula
kA/m = A/ft × 0.003280839895
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 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
| Amperes per foot (A/ft) | Kiloamperes per metre (kA/m) |
|---|---|
| 1 A/ft | 0.00328084 kA/m |
| 2 A/ft | 0.00656168 kA/m |
| 5 A/ft | 0.0164042 kA/m |
| 10 A/ft | 0.0328084 kA/m |
| 25 A/ft | 0.082021 kA/m |
| 50 A/ft | 0.164042 kA/m |
| 100 A/ft | 0.328084 kA/m |