Battery Life Calculator
Estimate battery runtime based on capacity, consumption, and depth of discharge (DoD). Includes an interactive discharge chart and real-world factors.
April 13, 2025
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
Temperature Conversion Calculator
A tool for converting between Celsius, Fahrenheit, and Kelvin.
April 7, 2025
Ohm’s Law Calculator
Easily calculate voltage, current, resistance, and power with our Ohm’s Law calculator. Features a 12-formula power wheel and interactive VI relationship charts.
April 1, 2025
Voltage Divider Calculator
Easily calculate output voltage, resistance, or current for loaded and unloaded voltage dividers. Includes formulas, circuit diagrams, and common applications.
March 26, 2025
LED Resistor Calculator
Use our free LED resistor calculator to find the perfect resistor for your LED circuit. Get accurate values for single LEDs, multiple LEDs, and different power sources.
March 19, 2025
Resistor Color Code Calculator
Identify resistance values for 4, 5, and 6-band resistors. Includes an interactive visual calculator, color code chart, formulas, and tolerance range details.
March 13, 2025
PCB Impedance Calculator
Calculate PCB characteristic and differential impedance for microstrip and stripline. Supports edge-coupled pairs with precise formulas and visual diagrams.
March 7, 2025
PCB Trace Width Calculator
Welcome to the PCB Trace Width Calculator! This tool helps you determine the optimal width of a copper trace for your PCB design, ensuring it can safely carry a specified current without exceeding a desired temperature rise. By inputting your trace length, we can also estimate key electrical parameters such as resistance, voltage drop, and power loss, which are critical for efficient circuit performance.
March 1, 2025