Professional electronics, RF, PCB, battery, power and embedded engineering calculators in one fast mobile app.
Engineering Toolkit
Ohm's Law, voltage divider, LED resistor, RC filters, LM317, battery runtime and more.
Antenna length, VSWR, coax loss, link budget, path loss and RF PCB utilities.
ESP32, STM32, Arduino and MCU engineering references.
PCB, power electronics, battery, regulator and hardware design calculators.
Instant results for common engineering formulas and design checks.
Save frequently used calculators for quick access.
Quick reference values for electronics, RF and embedded work.
Most calculators are designed to work directly on the device.
Basic calculators may be available for free. Some premium features may require a subscription or purchase.
Most calculator tools are designed to work locally on the device.
Yes. EngiCalc includes antenna, wavelength, path loss, link budget and RF PCB tools.
Use EngiCalc for engineering estimates and early design checks. Always verify final designs with datasheets, simulations and real measurements.
Important legal information for the EngiCalc iOS application.