4 bands
BrownBlackBlackGold
10 Ω · ±5% · 9.5 Ω–10.5 Ω
Common resistor value
This finite reference shows exact four-band and five-band codes plus their tolerance ranges.
Private browser calculation
The four-band example uses ±5%; the five-band example uses ±1%. Both are calculated without rounding.
BrownBlackBlackGold
10 Ω · ±5% · 9.5 Ω–10.5 Ω
BrownBlackBlackGoldBrown
10 Ω · ±1% · 9.9 Ω–10.1 Ω