About Coil32
Coil32 is an inductance coil calculator that allows to calculate the single-layer and multi-layer air core inductors, the ferrite toroid inductors or chokes, flat square coils on PCB etc. The app allows calculating the...
Coil32 is an inductance coil calculator that allows to calculate the single-layer and multi-layer air core inductors, the ferrite toroid inductors or chokes, flat square coils on PCB etc.
The app allows calculating the needed number of turns for the desired value of inductance of a homebrew inductor or to calculate the inductance value of a fabricated inductor. I hope this app could be useful for HAMs, Audiophiles and other radio enthusiasts who need to make DIY inductors.
I need for help from native speakers to translate this app in Indonesian etc. If you can give me the help, please email me.
Previous Versions
Here you can find the changelog of Coil32 since it was posted on our website on 2016-10-16 09:16:02.
The latest version is 2025.13 and it was updated on 2026-06-17 03:09:12. See below the changes in each version.
Coil32 version 2025.13
Updated At: 2025-12-11
Changes: Added calculation for the metal detector's D-shaped search coil. Bugs fixed.
Coil32 version 2025.09
Updated At: 2025-08-15
Changes: Fixed bugs
Added calculation of sectioned multilayer coil
Added calculation of two coupled single-layer coils
Coil32 version 2025.04
Updated At: 2025-04-05
Changes: Bugs fixed. Added calculation of the length of a single-turn loop.
Coil32 version 2024.07
Updated At: 2024-07-19
Changes: Bugs fixed
Coil32 version 2023.10
Updated At: 2023-11-01
Changes: Added calculation of the Multilayer inductor with Orthocyclic winding.
Added the ability to select AWG wire without insulation when calculating a single-layer pitch-wound coil.
Coil32 version 2023.07
Updated At: 2023-07-23
Changes: Added calculation of the inductance of a coil wound on a ferrite toroidal core, taking into account the dependence of magnetic permeability on frequency. Added the ability to save calculation results.
Coil32 version 2023.03
Updated At: 2023-02-27
Changes: Added new calculations
Coil32 version 2022.05
Updated At: 2022-04-27
Changes: Big app update. Added most of the calculations from the desktop version of Coil64. Fixed runtime errors with non-metric dimensions
Coil32 version 2022.03
Updated At: 2022-02-17
Changes: Big app update. Added most of the calculations from the desktop version of Coil64
Coil32 version 19
Updated At: 2021-04-06
Changes: Updated PCB coil calculation
Added Q-factor calculation of the PCB coil
Fixed some bugs
Disclaimer
Official Google Play Link
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