Mouser Electronics’ Online Resistor Color Calculator

Mouser Electronics, Inc., the authorized global distributor with the newest semiconductors and electronic components, is also a single destination for all of the technical resources and tools to help design engineers throughout the design process — including a time-saving resistor color code calculator.

Mouser’s online resistor color code calculator removes the tedious task of remembering color orders, offering a series of drop-down lists that help engineers quickly determine the resistance and tolerance of their component. Even better, the calculator can show matching resistors in Mouser’s broad inventory, making the tool a true one-stop shop for engineers. Additionally, the calculator page includes a printable full-color chart for handy reference.

Mouser’s free Technical Resource Center includes an extensive lineup of online calculators designed to help engineers of all skill levels save time figuring out anything from power conversion computations to Ohm’s law calculations.

To see all of Mouser’s conversion calculators, go to To learn more about the technical resources Mouser offers, visit, or click Technical Resources in the top navigation bar of any page on