ECAD Workbench

Electronics calculators for schematic and PCB design.

Fast, practical tools for electronics engineers, covering circuits, components, power losses, PCB stackups, thermal margins, and board-level design checks.

ECAD Workbench is a collection of practical electronics calculators for schematic and PCB design, built for electronics engineers, PCB designers, and hardware teams.

Free calculators

Start with common electronics calculations for schematic and board design.

Voltage divider calculator
LED series resistor calculator
RC filter calculator
Op amp gain calculator
Resistor power calculator
ADC scaling calculator

Premium calculators

Advanced calculators for real design margins, board-level trade-offs, and engineering review.

FET conduction and switching loss calculator
PCB stackup and prepreg yield calculator
Trace current and temperature rise calculator
Via current calculator
Regulator thermal dissipation calculator
Board-level power loss calculator

Built for electronics engineers

Design-support calculators for everyday hardware decisions.

ECAD Workbench focuses on practical electronics design calculator workflows used during schematic design, PCB layout, power design, and hardware review. Use it as an electronics calculator, PCB calculator, schematic calculator, circuit calculator, electrical engineering calculator, and source for focused tools such as a voltage divider calculator, LED resistor calculator, MOSFET loss calculator, FET switching loss calculator, PCB stackup calculator, prepreg thickness calculator, trace width calculator, and thermal margin calculator.