Resistor Code Calculator

4.4
3.27K reviews
1M+
Downloads
Content rating
Everyone
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About this app

Calculate resistor color codes with this handy reference app. The app is useful for every maker, engineer, student and arduino or raspberry pi tinkerer when working with electronics.

Supports 4 and 5-band resistors!

The industry standard resistor color code is used to identify the resistance value of resistors used in all kinds of electronics.
Updated on
Jul 8, 2016

Data safety

Developers can show information here about how their app collects and uses your data. Learn more about data safety
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4.4
3.27K reviews
Torrent Amador
October 26, 2021
Exactly what it says on the tin. Punch in the band colors, get the resistance and tolerance. Ad is small and out of the way, just how it should be. Wish it had a min/max value chart, but nothing's perfect.
13 people found this review helpful
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A Google user
May 7, 2019
Excellent! Too easy to handle, very simple. I loved it. Although i haven't verified all combinations, i got exactly values according to my inputs. So, it's helping me nicely.
90 people found this review helpful
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A Google user
June 30, 2019
For what it does this app gets 5 stars! Simplicity itself! There is a comment that the colours should carry names to assist users afflicted with colour blindness but that begs the question as to how a person so afflicted is going to identify the colours on a resistor in the first place. Love it....
62 people found this review helpful
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What's new

Minor changes