Convert Milliampere-turns to Ampere-turns
Convert Milliampere-turns (mA·t) to Ampere-turns (A·t) instantly and accurately.
Conversion Formula
A·t = mA·t × 0.001
About Milliampere-turns
The milliampere-turn (mA·t) equals 10⁻³ A·t. Practical unit for reed relays and small inductors - a typical reed relay operates at 20-100 mA·t; audio transformer cores for hearing aids are magnetised at a few mA·t. 1 mA·t = 10⁻³ A·t.
About Ampere-turns
The ampere-turn (A·t) is the SI practical unit of magnetomotive force, defined as F = N × I (turns × current). A 100-turn relay coil at 10 mA produces 1 A·t; power transformer cores typically operate at 100-1000 A·t. 1 A·t = 1 A (turn is dimensionless in SI).
Quick Reference Table
| Milliampere-turns (mA·t) | Ampere-turns (A·t) |
|---|---|
| 1 mA·t | 0.001 A·t |
| 2 mA·t | 0.002 A·t |
| 5 mA·t | 0.005 A·t |
| 10 mA·t | 0.01 A·t |
| 25 mA·t | 0.025 A·t |
| 50 mA·t | 0.05 A·t |
| 100 mA·t | 0.1 A·t |