Trace Width Calculator
Calculate PCB trace width for current capacity using IPC-2221.
Impedance Calculator
Calculate microstrip and stripline impedance for high-speed design.
Via Current Calculator
Calculate via current carrying capacity and thermal limits.
Voltage Drop Calculator
Calculate voltage drop across PCB traces for power delivery.
Power Dissipation Calculator
Calculate junction temperature and thermal management requirements.
LED Resistor Calculator
Calculate current limiting resistor for LED circuits with series/parallel support.
Voltage Divider Calculator
Calculate output voltage, resistor values, or division ratio for resistor networks.
RC Time Constant Calculator
Calculate capacitor charge/discharge time and cutoff frequency for RC circuits.
Decoupling Capacitor Calculator
Select optimal bypass capacitors for ICs based on current and frequency.
Ohm's Law Calculator
Calculate voltage, current, resistance, or power from any two known values.
Inductor Energy Calculator
Calculate stored energy, inductance, peak current, or rise time for inductors.
LC Resonance Calculator
Calculate resonant frequency for LC tank circuits, filters, and oscillators.
Wire Gauge Calculator
Find the right AWG wire size based on current and calculate voltage drop.
dB Calculator
Convert between decibels, power ratios, and voltage ratios for RF and audio.
Battery Life Calculator
Estimate runtime, required capacity, or max current for battery-powered devices.
Frequency/Wavelength Calculator
Convert between frequency and wavelength for RF design and antenna calculations.
Heat Sink Calculator
Calculate thermal resistance, junction temperature, or maximum power dissipation.
555 Timer Calculator
Calculate frequency, duty cycle, and timing for 555 timer circuits.
Op-Amp Gain Calculator
Calculate gain and resistor values for inverting, non-inverting, and differential amplifiers.
Filter Calculator
Design RC and LC passive filters for low-pass, high-pass, and band-pass applications.
Thermal Via Calculator
Calculate thermal resistance of via arrays for PCB heat dissipation design.