Circuit Lab
v1.0.0

Calculators

Voltage Divider

Welcome to Circuit Lab

Select a calculator below to get started.

RC Filter

Low-pass and high-pass RC filters with auto frequency range, Bode plots, and practical attenuation table.

RC Impulse Analysis

Comprehensive electrical and thermal analysis of RC circuits with step input.

I²t Calculator

Calculate Joule integral for fuse selection and capacitor discharge analysis.

LED Resistor

Calculate current-limiting resistor for LEDs with worst-case analysis and PWM support.

Inductance of Conductors

Geometry-based inductance calculator for wires, loops, and coaxial cables with interactive diagrams.

Track Width Calculator

Calculate minimum PCB trace width using IPC-2221 standard based on current, temperature rise, and copper thickness.