Ampere turns to Milliampere turns Converter (At to mAt)
At × 1000 = mAt
Calculation: 1 At × 1000 = 1000 mAt
Common Ampere turn to Milliampere turn Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Ampere turn (At) and Milliampere turn (mAt).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 At 1 mAt | 1 × 10⁰ |
| 0.01 At 10 mAt | 1 × 10¹ |
| 0.1 At 100 mAt | 1 × 10² |
| 0.5 At 500 mAt | 5 × 10² |
| 1 At 1000 mAt | 1 × 10³ |
| 2 At 2000 mAt | 2 × 10³ |
| 5 At 5000 mAt | 5 × 10³ |
| 10 At 10000 mAt | 1 × 10⁴ |
| 20 At 20000 mAt | 2 × 10⁴ |
| 25 At 25000 mAt | 2.5 × 10⁴ |
| 50 At 50000 mAt | 5 × 10⁴ |
| 100 At 100000 mAt | 1 × 10⁵ |
| 250 At 250000 mAt | 2.5 × 10⁵ |
| 500 At 500000 mAt | 5 × 10⁵ |
| 1000 At 1000000 mAt | 1 × 10⁶ |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 mAt 0.001 At | 1 × 10⁻³ |
| 5 mAt 0.005 At | 5 × 10⁻³ |
| 10 mAt 0.01 At | 1 × 10⁻² |
| 50 mAt 0.05 At | 5 × 10⁻² |
| 100 mAt 0.1 At | 1 × 10⁻¹ |
Real-World Context & Everyday Benchmarks
Tap to load into converterTo help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Ampere turn (At) and Milliampere turn (mAt):
Ampere turn References:
- Household electric chime doorbell solenoid coil excitation 100 At
- Automotive starter motor heavy solenoid contactor coil 1500 At
- Audio speaker voice coil driving dynamic paper cone 25 At
Milliampere turn References:
- Sensitive mirror galvanometer electrical measuring coil bias 50 mAt
How to Convert Ampere turn to Milliampere turn
Converting Ampere turn (At) to Milliampere turn (mAt) is a core calculation in Magnetomotive Force, which measures the magnetic potential difference that drives magnetic flux through a magnetic circuit. Both units reside within the International System of Units (SI) and share an identical physical dimension vector ([I]), separated strictly by a decimal order-of-magnitude factor (10^3). Because this shift involves integer powers of 10, the conversion is mathematically exact and free from decimal rounding or irrational fractional loss. Exactly 1 Ampere turn equals 1000 Milliampere turn.
Mathematical Conversion Derivation via Coherent SI Base Unit
Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (ampere (A) / ampere-turn (At)) without arbitrary rounding:
1 At = 1 ampere (A) / ampere-turn (At)1 mAt = 0.001 ampere (A) / ampere-turn (At)V(mAt) = V(At) × ( 1 / 0.001 ) = V(At) × 1000Value in Milliampere turn = Value in Ampere turn × 1000Direct computational formula applied for standard conversion.To convert 24 Ampere turn (At) to Milliampere turn (mAt): multiply 24 by 1000 to get 24000 mAt. At an industrial engineering scale, 1000 At converts to 1000000 mAt.
Inverse check: 1 mAt = 0.001 At.Understanding Ampere turn and Milliampere turn
Ampere turn
AtAn Ampere turn (At) is the official base standard unit for magnetomotive force.
Applications & Practical Context
In practical magnetomotive force terms, a household electric chime doorbell solenoid coil excitation equals 100 At, a automotive starter motor heavy solenoid contactor coil equals 1500 At, a audio speaker voice coil driving dynamic paper cone equals 25 At.
A magnetomotive force of 1 At is generated by a single wire turn carrying an electric current of 1 ampere.
1 At = 1 At (Base Standard)Milliampere turn
mAtA Milliampere turn (mAt) is a decimal submultiple of the SI-derived unit for magnetomotive force.
Applications & Practical Context
In practical magnetomotive force terms, a sensitive mirror galvanometer electrical measuring coil bias equals 50 mAt.
A physical magnitude of 1 mAt corresponds to 0.001 At in standard SI measurement.
1 mAt = 0.001 AtDomain Metrology & Engineering Applications
Ampère's Circuital Law (F_m = ∮ H · dl = N · I)
Rigorously quantified in laboratory and field settings using Rogowski potential integrators, magnetic potentiometer coils (Chattock gauges), and fluxgate magnetometers.
Applied across solenoid actuator engineering, electric motor stator magnetics, transformer core design, and electromagnetic brake systems under international metrology standard ISO 80000-6:2022.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-6:2022 and the BIPM SI Brochure (9th Edition). Governed by Ampère's Circuital Law (F_m = ∮ H · dl = N · I) under ISO 80000 dimensional vector [I].
Magnetomotive Force to Magnetic Field Strength Bridge (A/m • At/m • Oe • kA/m • At/in • At/ft)
Calculate magnetic field strength H = ℱ / l along closed magnetic paths, bridging magnetomotive force [I] and magnetic field strength [L⁻¹ I] via mean magnetic path length (l).
H = ℱ / l
[At] ÷ [m] → [A/m]
-
1. Normalize Input to SI Base Unit (At):
ℱ = 1 At × 1 = 1 At -
2. Apply Engineering Parameter (l):
Selected condition: EI-150 Laminated Transformer (300 mm) at l = 0.3 m -
3. Execute Governing Physical Law in SI Units:
H = ℱ / l = (1 At) ÷ (0.3 m) = 3.333333 A/m -
4. Convert to Standard Engineering Units:
• A/m: 3.333333 × 1 = 3.3333 A/m (Amperes per Meter) • At/m: 3.333333 × 1 = 3.3333 At/m (Ampere-Turns per Meter) • Oe: 3.333333 × 0.01257 = 0.04189 Oe (Oersteds) • kA/m: 3.333333 × 0.001 = 0.003333 kA/m (Kiloamperes per Meter) • At/in: 3.333333 × 0.0254 = 0.08467 At/in (Ampere-Turns per Inch) • At/ft: 3.333333 × 0.3048 = 1.016 At/ft (Ampere-Turns per Foot)
| Engineering Substance / Operating Standard | Parameter Value (m) | Reference State / Condition | Typical Industrial & Engineering Application |
|---|---|---|---|
| Small Toroidal Core (50 mm Path) | 0.05 |
0.05 m (50 mm) | Compact ferrite filter inductor path length |
| ETD Transformer Magnetic Path (114 mm) | 0.114 |
0.114 m (114 mm) | Standard ETD49 core magnetic path length |
| EI-150 Laminated Transformer (300 mm) | 0.3 |
0.30 m (300 mm) | Silicon steel power transformer magnetic circuit |
| Large AC Stator Perimeter (1.5 m) | 1.5 |
1.50 meters | Industrial induction motor stator magnetic path |
