4-band, 5-band, SMD codes and the gold ring — decode every resistor on your bench, free.
Visual 4, 5 and 6-band resistor decoder with live colour preview, tolerance range and temperature coefficient — IEC 60062.
Decode 3-digit, 4-digit and EIA-96 SMD resistor markings to ohms — with the R-decimal style and tolerance handled.
Turn 3-digit ceramic capacitor codes like 104 into pF/nF/µF — with tolerance letters and voltage markings explained.
Decode EIA 3-digit, letter+digit (EIA-198) and R-decimal capacitor markings on chips and tantalums to real capacitance.
Nearest standard E12, E24 or E96 value to any target resistance, with neighbours and percentage error — IEC 60063.
Series resistor for any LED — colour presets, LEDs in series, next-up E24 value, actual current and required wattage.
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