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