Resistor Color Code Calculator

Resistors are electronic components used in circuitry to reduce the flow of electricity. Resistors can have different values of resistance measured in Ohms and signified by printed color bands.

Select bands or enter a value:

resistance calculator
black brown red orange yellow green blue violet gray white black brown red orange yellow green blue violet gray white black brown red orange yellow green blue violet gray white gold silver gold silver none
K M ±5% ±10% ±20%