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Four Bands

Four bands, one value.

Pick the colours you see on the component. The value, the tolerance and the range it may actually measure are computed as you go.

Read a resistor

1 kΩ

±5% — from 950 Ω to 1.05 kΩ

Open the 1 kΩ page →

1st digit
2nd digit
Multiplier
Tolerance

The values you will meet most

The E6 series — six values per decade, the ones every parts drawer holds.

All 168 standard values →