系统内冗余或重复数据的度量，表明存储和潜在性能问题效率低下。
1 RR = 0.625 TC
1 TC = 1.6 RR
例子:
将15 冗余比率转换为涡轮代码冗余：
15 RR = 9.375 TC
| 冗余比率 | 涡轮代码冗余 |
|---|---|
| 0.01 RR | 0.006 TC |
| 0.1 RR | 0.063 TC |
| 1 RR | 0.625 TC |
| 2 RR | 1.25 TC |
| 3 RR | 1.875 TC |
| 5 RR | 3.125 TC |
| 10 RR | 6.25 TC |
| 20 RR | 12.5 TC |
| 30 RR | 18.75 TC |
| 40 RR | 25 TC |
| 50 RR | 31.25 TC |
| 60 RR | 37.5 TC |
| 70 RR | 43.75 TC |
| 80 RR | 50 TC |
| 90 RR | 56.25 TC |
| 100 RR | 62.5 TC |
| 250 RR | 156.25 TC |
| 500 RR | 312.5 TC |
| 750 RR | 468.75 TC |
| 1000 RR | 625 TC |
| 10000 RR | 6,250 TC |
| 100000 RR | 62,500 TC |
规则