Brown Grey Black Gold — 18 Ω

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.

What each band says

In a circuit

Surface-mount marking for the same value: 180.

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.

• Brown Black Black10 Ω
• Brown Brown Black11 Ω
• Brown Red Black12 Ω
• Brown Orange Black13 Ω
• Brown Yellow Black14 Ω
• Brown Green Black15 Ω
• Brown Blue Black16 Ω
• Brown Violet Black17 Ω