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Ohm Bands

Grey Brown Orange Gold — 81 kΩ

Read left to right, starting from the end where the bands are grouped. The gold band is the tolerance and always sits alone at the far end.

81×1k±5%
Grey8Brown1Orange×1kGold±5%

Value

81 kΩ

Range at ±5%

76.95 kΩ – 85.05 kΩ

Standard value

Non-standard

No E24 part carries this value — check you are reading from the right end.


What each band says

BandColourMeaning
1Grey1st digit — 8
2Brown2nd digit — 1
3OrangeMultiplier — ×1k
4GoldTolerance — ±5%

In a circuit

Across 5 V

61.7 µA · 309 µW · 1/8 W part

Across 12 V

148 µA · 1.78 mW · 1/8 W part

Surface-mount marking for the same value: 813.

If you misread one band

Brown and red, or orange and red, are easy to confuse under a desk lamp. These are the codes one band away from this one.