Resistor Color Code
Decode 4-band resistor color codes or enter a value to see the corresponding bands.
Resistor Color Code
Brown — digit 1 (±1%)
Black — digit 0
Red — digit 2 (±2%)
Gold — ×0.1 (±5%)
Results
Resistance1.00 kΩ
Tolerance±5%
Min value950 Ω
Max value1.05 kΩ
4-Band Resistor
How to read resistor color codes
Resistors use colored bands to indicate their value. For a 4-band resistor, the first two bands are significant digits, the third is the multiplier (power of 10), and the fourth is the tolerance.
4-Band Formula
R = (10·B1 + B2) × 10^B3Color Reference
Black0
Brown1
Red2
Orange3
Yellow4
Green5
Blue6
Violet7
Grey8
White9