
Free
In-App PurchasesWith Ads
Rating summary
About
ElectroCalc Pro is the essential utility for electronics engineers and hobbyists.
Simplify your daily circuit calculations with this powerful tool.
[Key Features]
1. Basic Electronics
- LED Resistor Calculator
- Voltage Divider Calculator (Vin, R1, R2, Vout)
- LM317 Voltage Regulator Calculator
2. Power & Cables
- Ohm's Law Calculator (Voltage, Current, Resistance, Power)
- AWG (American Wire Gauge) Table & Conversion
3. Battery Tools
- Battery Runtime Calculator
- Battery Configuration Calculator (Series / Parallel)
4. PCB Tools
- PCB Trace Width & Resistance Calculations
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What's New in ElectroCalc Pro
1.0.5
October 22, 2026
[Device Support & Improvements] - iPhone Duo Support: When unfolded, the calculator menus, bottom tabs and ad banner now stay clear of the side control bar. - Landscape mode: You can now use the app in landscape on unfolded iPhone Duo and iPad. - Fixed an issue where the ad banner could fail to appear on unfolded iPhone Duo. - Content now stays clear of the notch, camera cutout and system bars, so nothing is hidden at the screen edges. - Minor bug fixes and performance optimizations.
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Subscriptions & In-App Purchases
$1.99
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