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Resistor Color Code Calculator

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Read color bands or look up bands from a value.
Resistance -
Tolerance -
Min / Max -

How to Use

  • Select 4 or 5 band mode and pick each color band from the dropdowns.
  • Or switch to "Value to Color Bands" mode and type a resistance value.
  • The visual resistor updates to show the current band colors.

Calculators (81)

money (25)
math (18)
health & body (14)
time & dates (8)
engineering & home (10)
school & other (6)