A free and simple tool for engineers and students. Resistor Pro calculates the value of 4 band resistors from their color codes. Simply swipe the color on the bands and obtain the exact value in Ohms.
Search Mode
Search a resistor value in Ohms and obtain the matching color code.
Upcoming Features
-5 & 6 band Resistors
-Commercial value search
Search Mode
Search a resistor value in Ohms and obtain the matching color code.
Upcoming Features
-5 & 6 band Resistors
-Commercial value search
Show More
