Welcome to CircuitCalculator.com!

Your source for online circuit calculators. Some of our most popular calculators are listed below. Most of the site is in a blog format.

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Trace Width Calculator - Finds how wide a trace should be for a certain current

Wire Parameter Calculator - Gives the current carrying ability for wires and wire bundles based on their AWG

Resistor Calculator - Finds the closest standard resistor (and capacitor) values

RMS Value Calculator - Gives the RMS values for several common waveforms

General Purpose Calculator - Evaluates just about any math expression in your browser.

L-C Filter Equations - Formulas and web calculator.

Additional Calculators: 

Health Calculator - Finds your Body Mass Index (BMI) and calories per day.

Have an idea for a calculator? Add it to the Calculator Wish List or send us an email and we will try to add it!