How to Use
Enter the value of the resistor into the box.
Hit enter to submit.
Suffixes k and m can be used, as well as decimals.
The box will turn red if the answer is wrong.
The tolerence band is shown but it can be ignored.
Reference chart
| Colour | 1st Band | 2nd Band | 3rd Band | Multiplier | Tolerance |
|---|---|---|---|---|---|
| Black | 0 | 0 | 0 | 1 Ω | |
| Brown | 1 | 1 | 1 | 10 Ω | ± 1% |
| Red | 2 | 2 | 2 | 100 Ω | ± 2% |
| Orange | 3 | 3 | 3 | 1K Ω | |
| Yellow | 4 | 4 | 4 | 10K Ω | |
| Green | 5 | 5 | 5 | 100K Ω | ± 0.5% |
| Blue | 6 | 6 | 6 | 1M Ω | ± 0.25% |
| Purple | 7 | 7 | 7 | 10M Ω | ± 0.1% |
| Grey | 8 | 8 | 8 | 100M Ω | ± 0.05% |
| White | 9 | 9 | 9 | 1G Ω | |
| Gold | 0.1 Ω | ± 5% | |||
| Silver | 0.01 Ω | ± 10% |
