Types of Flutes
| Flutes | Key | Octave Range | Sound Compared to Flute | Type |
| Piccolo | C | D4 - C7 | 1 octave higher | Western |
| Db | D4 - C7 | 1 minor 9th higher | Western | |
| Treble Flute | G | C4 - C7 | a 5th higher | Western |
| Soprano Flute | Eb | C4 - C7 | a minor 3rd higher | |
| Concert Flute | C | C4 - C7 (with B foot, B3 - C7)* | Western | |
| Tenor Flute | Bb or A | C4 - C7 | 1 step or 2 steps lower | |
| Alto Flute | G | C4 - C7 | Perfect 4th lower | Western |
| Bass Flute | C | C4-C7 | 1 octave lower | Western |
| Contra-alto Flute* | G | C4-C7 | 1 octave and a 4th lower | Western |
| Contrabass Flute | C | C4 - C7 (with B foot, B3 - C7) | 2 octaves lower | Western |
| Sub-contrabass Flute | G | C4 - C7 | 2 octaves and a 4th | |
| Double contrabass Flute | C | C4-C7 | 3 octaves lower | Western |
| Hyperbass Flute | C | C4-C7 | 4 octaves lower | Western |