Calculate the interval between two notes. Supports all major, minor, perfect, augmented, and diminished intervals.
Major 3rd (4 semitones)
| Interval | Semitones |
|---|---|
| Minor 2nd | 1 |
| Major 2nd | 2 |
| Minor 3rd | 3 |
| Major 3rd | 4 |
| Perfect 4th | 5 |
| Perfect 5th | 7 |
| Minor 6th | 8 |
| Major 6th | 9 |
| Minor 7th | 10 |
| Major 7th | 11 |
| Octave | 12 |
This Interval Calculator helps you quickly determine the interval between any two notes in semitones, useful for music theory, composition, and songwriting.
The calculator counts the number of semitones between the selected notes and determines the interval type.
Semitones calculation:
C → C# = 1, C → D = 2, C → D# = 3, etc.
Interval type based on semitones:
1 = minor 2nd, 2 = major 2nd, 3 = minor 3rd, 4 = major 3rd, 5 = perfect 4th, 7 = perfect 5th, 12 = octave