Read a 4, 5 or 6-band resistor, or turn a value back into bands, with tolerance and tempco
4-band parts carry two significant digits, 5 and 6-band parts three; the last band of a 6-band part is the temperature coefficient. Gold and silver only appear in the multiplier and tolerance slots.
Readings follow IEC 60062: digit bands spell the significant figures, the multiplier band is its power of ten and the tolerance band is a percentage. Everything runs in your browser.