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Electrical Resistor Color Code |
Four Band Calculator
Use the application below to find 4-band resistor values interactively.
Read the colour bands on the resistor from left to right with the wide gap between the bands positioned to the right. Select the matching band and colour button in the application with your mouse.
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Five Band Calculator
Use the application below to find 5-band resistor values interactively.
Read the colour bands on the resistor from left to right with the wide gap between the bands positioned to the right. Select the matching band and colour button in the application with your mouse.
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| Color |
Value |
Multiplier |
Tolerance |
| 4-band resistor |
bands 1 & 2 |
band 3 |
band 4 |
| 5-band resistor |
bands 1, 2 & 3 |
band 4 |
band 5 |
| black |
0 |
1 |
±20% |
| brown |
1 |
10 |
±1% |
| red |
2 |
100 |
±2% |
| orange |
3 |
1,000 |
±3% |
| yellow |
4 |
10,000 |
− 0, + 100% |
| green |
5 |
100,000 |
±0.5% |
| blue |
6 |
1,000,000 |
±0.25% |
| violet |
7 |
10,000,000 |
±0.10% |
| gray |
8 |
100,000,000 |
±0.05% |
| white |
9 |
1,000,000,000 |
±10% |
| silver |
— |
0.01 |
±10% |
| gold |
— |
0.1 |
±5% |
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