Convert Gilberts to Ampere-turns
Convert Gilberts (Gb) to Ampere-turns (A·t) instantly and accurately.
Conversion Formula
A·t = Gb × 0.7957747155
About Gilberts
The gilbert (Gb) equals exactly 10/(4π) A·t ≈ 0.7958 A·t, the CGS unit of magnetomotive force named after William Gilbert (1544-1603). Widely used in older relay and electromagnet datasheets; 1 Gb = 1 oersted·centimetre. 1 Gb = 10/(4π) 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
| Gilberts (Gb) | Ampere-turns (A·t) |
|---|---|
| 1 Gb | 0.795775 A·t |
| 2 Gb | 1.59155 A·t |
| 5 Gb | 3.97887 A·t |
| 10 Gb | 7.95775 A·t |
| 25 Gb | 19.8944 A·t |
| 50 Gb | 39.7887 A·t |
| 100 Gb | 79.5775 A·t |