Two significant digits, multiplier, then tolerance.
Resistor Color Code Calculator
Convert resistance values into standard resistor bands or select the bands to decode a resistor instantly.
Live component preview
Resistor visualization
Calculated resistance
1 kΩ±5%
= 1,000 Ω
- Nominal
- 1 kΩ
- Minimum
- 950 Ω
- Maximum
- 1.05 kΩ
Common values
Quick guide
How resistor color codes work
Three significant digits, multiplier, then tolerance.
The 5-band code plus a temperature coefficient in ppm/°C.
Component reference
Resistor color reference
Only applicable choices appear in the interactive selectors.
| Color | Digit | Multiplier | Tolerance | Temp. coefficient |
|---|