Convert Megaamperes per metre to Femtoamperes per metre
Convert Megaamperes per metre (MA/m) to Femtoamperes per metre (fA/m) instantly and accurately.
Conversion Formula
fA/m = MA/m × 1.000000000e+21
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.
About Femtoamperes per metre
The femtoampere per metre (fA/m) equals 10⁻¹⁵ A/m. Used in SQUID (superconducting quantum interference device) magnetometer research to characterise noise floors in ultra-sensitive magnetic field measurements; the Earth's geomagnetic DC drift and biomagnetic fields from neurons produce field gradients at the fA/m level in heavily shielded rooms. 1 fA/m = 10⁻¹⁵ A/m.
Quick Reference Table
| Megaamperes per metre (MA/m) | Femtoamperes per metre (fA/m) |
|---|---|
| 1 MA/m | 1 × 1021 fA/m |
| 2 MA/m | 2 × 1021 fA/m |
| 5 MA/m | 5 × 1021 fA/m |
| 10 MA/m | 1 × 1022 fA/m |
| 25 MA/m | 2.5 × 1022 fA/m |
| 50 MA/m | 5 × 1022 fA/m |
| 100 MA/m | 1 × 1023 fA/m |