Engineering Calculators
Precision tools for power electronics engineers — from inductor sizing to IPC-2221 trace widths. All calculations run in your browser, no login required.
Buck Converter L/C Calculator
Minimum inductance & capacitance for synchronous buck converters. Duty cycle, peak current, and inductance-vs-frequency sweep chart.
PCB Trace Width Calculator
IPC-2221 compliant trace width & current capacity. Supports external/internal layers with temperature rise limits and width-vs-current chart.
Resistor Voltage Divider
Divider output with load & power dissipation. Smart EIA standard value finder (E12/E24/E96) with auto-optimization for cost vs. accuracy.
Passive Filter Planner & Bode Plot
Design RC, RL, LC, and RLC filters with real-time Bode magnitude & phase plots. EIA standard value fitting with visual impact overlay. Sweep from sub-Hz to 100 GHz.
Design your complete power architecture
Electronics Architect lets you model multi-rail AC and DC systems with real current paths and thermal analysis.