Toolbox


Below you can find good web calculators and tools for your electronics design work and studies



Search tools


This is a combination of different information search tools. You can search links, companies, circuits, discussion forum messages, acronyms/abbreviations and electronics component data.


Ohms Law Calculator


This will make easy to do all kind of calculations related to current, voltage, power and ohms. Give any two numeric values and this calculator will calculate the rest.


Input/Output Impedance Measurement and Calculation


This tools helps you to measure input and output impedances of electronics equipment or components.


Cable Resistance Calculator


Calculate how much resistance and voltage loss you get with different cable sizes on your application.


Inductance Calculator



Capacitance Calculator



Resistor Calculator



LC Resonator Calculator



Radio Frequency Free Space Loss Calculator


Calculate the signal loss on different radio link lengths at different frequencies.


dBm Calculator


Convert RF signal power between dBm, volts, watts and dBuV.


Javascript Calculator


This is a simple calculator you can use to do all kind of calculations you might need. Write some mathematical expression and press Calculate to get the result.


Regular Expression Tool


This page allows you to test regex with JavaScript.