Convert Ampere-Turn to Kiloampere-Turn
Live bidirectional calculator for Ampere-Turns (At) and Kiloampere-Turns (kAt) with verified formula and conversion charts.
Magnetomotive Force3 units
How the Calculation Works (Linear Scaling)
Since 1 Kiloampere-Turn = 1000 Ampere-Turns, divide the value in Ampere-Turns by 1000.
Ampere-Turn to Kiloampere-Turn Conversion Table
Precomputed values for quick reference and printing.
| Ampere-Turn | Kiloampere-Turn |
|---|---|
| 1 At | 0.001 kAt |
| 2 At | 0.002 kAt |
| 3 At | 0.003 kAt |
| 4 At | 0.004 kAt |
| 5 At | 0.005 kAt |
| 6 At | 0.006 kAt |
| 7 At | 0.007 kAt |
| 8 At | 0.008 kAt |
| 9 At | 0.009 kAt |
| 10 At | 0.01 kAt |
| 15 At | 0.015 kAt |
| 20 At | 0.02 kAt |
| 25 At | 0.025 kAt |
| 30 At | 0.03 kAt |
| 40 At | 0.04 kAt |
| 50 At | 0.05 kAt |
| 75 At | 0.075 kAt |
| 100 At | 0.1 kAt |
| Kiloampere-Turn | Ampere-Turn |
|---|---|
| 1 kAt | 1000 At |
| 2 kAt | 2000 At |
| 3 kAt | 3000 At |
| 4 kAt | 4000 At |
| 5 kAt | 5000 At |
| 6 kAt | 6000 At |
| 7 kAt | 7000 At |
| 8 kAt | 8000 At |
| 9 kAt | 9000 At |
| 10 kAt | 10000 At |
| 15 kAt | 15000 At |
| 20 kAt | 20000 At |
| 25 kAt | 25000 At |
| 30 kAt | 30000 At |
| 40 kAt | 40000 At |
| 50 kAt | 50000 At |
| 75 kAt | 75000 At |
| 100 kAt | 100000 At |
π Standard Benchmark Reference Values
Industrial transformer and large electrical machine excitation mmf multiple.
Exact RatioAbout Ampere-Turn (At)
The SI coherent unit of magnetomotive force (mmf), defined as the magnetic potential difference produced by a direct current of one ampere flowing through an electric coil of one turn (β± = N Β· I). Dimensionally equal to the ampere (I).
History: Introduced in early electrical engineering (Hopkinson and Steinmetz) to establish the magnetic circuit analogue to electromotive force in Ohmβs law for magnetic circuits (Hopkinsonβs law: β± = Ξ¦ Β· β).
Common Uses: Transformer core excitation design, electric motor and generator field winding mmf, relay coil pull-in specifications.
About Kiloampere-Turn (kAt)
One thousand ampere-turns (10Β³ At).
History: Used for large electrical machines, power grid transformers, and particle accelerator electromagnets.
Common Uses: Utility power transformer magnetizing mmf, MRI superconducting magnet persistent current loops, cyclotron bending magnets.
β Frequently Asked Questions
How many Kiloampere-Turns are in 1 Ampere-Turn?
There are exactly 0.001 Kiloampere-Turns in 1 Ampere-Turn (1 At = 0.001 kAt).
What is the formula to convert Ampere-Turn to Kiloampere-Turn?
The formula is: Kiloampere-Turn = Ampere-Turn / 1000. Since 1 Kiloampere-Turn = 1000 Ampere-Turns, divide the value in Ampere-Turns by 1000.
How do I convert 1 At to kAt manually?
To convert 1 At to kAt: apply the formula Kiloampere-Turn = Ampere-Turn / 1000. Substituting gives: 1 / 1000 = 0.001 kAt.