| C4 |
261.63 |
261.63 |
Unison |
1:1 |
1:1 |
| C♯4/D♭4 |
277.18 |
277.18 |
Minor Second |
$ \sqrt[12]{2} $ (approximately 1.059) |
9:8 |
| D4 |
293.66 |
293.66 |
Major Second |
$ \sqrt[12]{2^2} $ (approximately 1.122) |
5:4 |
| D♯4/E♭4 |
311.13 |
311.13 |
Minor Third |
$ \sqrt[12]{2^3} $ (approximately 1.189) |
6:5 |
| E4 |
329.63 |
329.63 |
Major Third |
$ \sqrt[12]{2^4} $ (approximately 1.260) |
4:3 |
| F4 |
349.23 |
349.23 |
Perfect Fourth |
$ \sqrt[12]{2^5} $ (approximately 1.335) |
3:2 |
| F♯4/G♭4 |
369.99 |
369.99 |
Diminished Fifth |
$ \sqrt[12]{2^6} $ (approximately 1.414) |
5:3 |
| G4 |
392.00 |
392.00 |
Perfect Fifth |
$ \sqrt[12]{2^7} $ (approximately 1.498) |
2:1 |
| G♯4/A♭4 |
415.30 |
415.30 |
Minor Sixth |
$ \sqrt[12]{2^8} $ (approximately 1.587) |
15:8 |
| A4 |
440.00 |
440.00 |
Major Sixth |
$ \sqrt[12]{2^9} $ (approximately 1.681) |
5:4 |
| A♯4/B♭4 |
466.16 |
466.16 |
Minor Seventh |
$ \sqrt[12]{2^{10}} $ (approximately 1.781) |
17:12 |
| B4 |
493.88 |
493.88 |
Major Seventh |
$ \sqrt[12]{2^{11}} $ (approximately 1.887) |
7:4 |
| C5 |
523.25 |
523.25 |
Octave |
2:1 |
2:1 |