| Note | Ratio | Decimal | Well-tempered Scale |
|---|---|---|---|
| C | 2 : 1 | 2.0 | 2.0 |
| D | 16 : 9 | 1.7777777777777776 | 1.781797436 |
| E | 8 : 5 | 1.6 | 1.587401052 |
| F | 3 : 2 | 1.5 | 1.498307077 |
| G | 4 : 3 | 1.333333333333333 | 1.334839854 |
| A | 6 : 5 | 1.2 | 1.189207115 |
| B | 12 : 11 | 1.0909090909090908 | 1.059463094 |
| C' | 1 : 1 | 1.0 | 1.0 |