What's New

This app has been updated by Apple to display the Apple Watch app icon.

App Description

Are you having trouble reading resistor color codes? If your answer is yes, then this tool is specifically designed for you! Our Resistor Color Code Calculator is a handy tool for reading carbon-composition resistors.

To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The resistance value is displayed on the field below together with the tolerance and the temperature coefficient.

iPhone Screenshots

(click to enlarge)

Resistor Calculator 4-Band screenshot 1

App Changes

  • June 16, 2019 Initial release

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