Resistor Colour Code Calculator
This calculator converts the colour bands which are found on resistors into their values.
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Resistance = n/a
Tolerance = n/a
Temperature Coefficient = n/a
Prefered Resistor Values
Resistors are available in a number of standard (Prefered) ranges or series and these are: E3, E6, E12, E24, E48 and E96. The E denotes the number of values the series contains per decade.
| E3: 50% tolerance |
| 10 |
22 |
47 |
| E6: 20% tolerance |
| 10 |
15 |
22 |
| 33 |
47 |
68 |
| E12: 10% tolerance |
| 10 |
12 |
15 |
| 18 |
22 |
27 |
| 33 |
39 |
47 |
| 56 |
68 |
82 |
| E24: 5% tolerance |
| 10 |
11 |
12 |
| 13 |
15 |
16 |
| 18 |
20 |
22 |
| 24 |
27 |
30 |
| 33 |
36 |
39 |
| 43 |
47 |
51 |
| 56 |
62 |
68 |
| 75 |
82 |
91 |
| E48: 2% tolerance |
| 100 |
105 |
110 |
| 115 |
121 |
127 |
| 133 |
140 |
147 |
| 154 |
162 |
169 |
| 178 |
187 |
196 |
| 205 |
215 |
226 |
| 237 |
249 |
261 |
| 274 |
287 |
301 |
| 316 |
332 |
348 |
| 365 |
383 |
402 |
| 422 |
442 |
464 |
| 487 |
511 |
536 |
| 562 |
590 |
619 |
| 649 |
681 |
715 |
| 750 |
787 |
825 |
| 866 |
909 |
953 |
| E96: 1% tolerance |
| 100 |
102 |
105 |
| 107 |
110 |
113 |
| 115 |
118 |
121 |
| 124 |
127 |
130 |
| 133 |
137 |
140 |
| 143 |
147 |
150 |
| 154 |
158 |
162 |
| 165 |
169 |
174 |
| 178 |
182 |
187 |
| 191 |
196 |
200 |
| 205 |
210 |
216 |
| 221 |
226 |
232 |
| 237 |
243 |
249 |
| 255 |
261 |
267 |
| 274 |
280 |
287 |
| 294 |
301 |
309 |
| 316 |
324 |
332 |
| 340 |
348 |
357 |
| 365 |
374 |
383 |
| 392 |
402 |
412 |
| 422 |
432 |
442 |
| 453 |
464 |
475 |
| 487 |
499 |
511 |
| 523 |
536 |
549 |
| 562 |
576 |
590 |
| 604 |
619 |
634 |
| 649 |
665 |
681 |
| 698 |
715 |
732 |
| 750 |
768 |
787 |
| 806 |
825 |
845 |
| 866 |
887 |
909 |
| 931 |
953 |
976 |
