Bassoon (Heckel system) · concert pitch · bass clef · black = pressed or covered
fingerchart.com/bassoon-fingering-chart/
Low register (thumb keys)B♭1–F♯2
B♭1 / A♯1Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low B♭ key, right thumb E key and right pinky F keyBeing checked
B1Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low C key, left pinky C♯ key, right thumb E key and right pinky F keyBeing checked
C2Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low C key, right thumb E key and right pinky F keyBeing checked
C♯2 / D♭2Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low C key, left pinky C♯ key, right thumb E key and right pinky F keyBeing checked
D2Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low D key, right thumb E key and right pinky F keyBeing checked
E♭2 / D♯2Whisper key, left hand 1-2-3, right hand 1-2-3, left thumb low D key, left pinky E♭ key, right thumb E key and right pinky F keyBeing checked
E2Whisper key, left hand 1-2-3, right hand 1-2-3, right thumb E key and right pinky F keyBeing checked
F2Whisper key, left hand 1-2-3, right hand 1-2-3 and right pinky F key
F♯2 / G♭2Whisper key, left hand 1-2-3, right hand 1-2-3 and right thumb F♯ keyAlt: Whisper key, left hand 1-2-3, right hand 1-2-3, right pinky F key and right thumb F♯ keyBeing checked
Middle registerG2–F♯3
G2Whisper key, left hand 1-2-3 and right hand 1-2-3
A♭2 / G♯2Whisper key, left hand 1-2-3, right hand 1-2-3 and right pinky A♭ keyAlt: Whisper key, left hand 1-2-3, right hand 1-2-3 and right thumb A♭ key
A2Whisper key, left hand 1-2-3 and right hand 1-2
B♭2 / A♯2Whisper key, left hand 1-2-3, right hand 1 and right thumb B♭ key
B2Whisper key, left hand 1-2-3 and right hand 1
C3Whisper key and left hand 1-2-3
C♯3 / D♭3Whisper key, left hand 1-2-3 and left pinky C♯ keyBeing checked
D3Whisper key and left hand 1-2
E♭3 / D♯3Whisper key, left hand 1-2 and left pinky E♭ keyBeing checked
E3Whisper key and left hand 1
F3Whisper keyBeing checked
F♯3 / G♭3Whisper key, left hand 1, right hand 1-2-3 and right thumb F♯ keyBeing checked
Upper register (half-hole and flick keys)G3–D4
G3Half-hole, left hand 2-3 and right hand 1-2-3Being checked
A♭3 / G♯3Half-hole, left hand 2-3, right hand 1-2-3 and right pinky A♭ keyBeing checked
A3Half-hole, left hand 2-3, right hand 1-2 and high A flick keyBeing checked
B♭3 / A♯3Left hand 1-2-3, right hand 1, right thumb B♭ key and high A flick keyBeing checked
B3Left hand 1-2-3, right hand 1 and high A flick keyBeing checked
C4Left hand 1-2-3 and high C flick keyBeing checked
C♯4 / D♭4Left hand 1-2, right hand 1-2-3 and high C flick keyBeing checked
D4Left hand 1-2, right hand 1-2 and high D flick keyBeing checked