F Minor 9th
Hear the F Minor 9th chord played for you.
Fm9
F – A♭ – C – E♭ – G
Formula:R-m3-P5-m7-M9
Intervals:P1-m3-P5-m7-M9
Scale Degrees:1-b3-5-b7-9
Introduction
The F Minor 9th chord is a five-note chord made up of F, A♭, C, E♭, and G. It is built from a root, minor third, perfect fifth, minor seventh, and major ninth.
The F Minor 9th piano chord (Fm9) consists of the notes F, Ab, C, Eb, G. It is a minor 7th chord with an added major 9th, giving it a dark yet lush character widely used in jazz, soul, and R&B progressions. Formula: R-m3-P5-m7-M9 | Scale degrees: 1-b3-5-b7-9.
Notes
Key Signature
The key of F Minor 9th has 4 flats.
B♭E♭A♭D♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of F Minor
These are the diatonic triads built on each degree of the F minor scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
i — F Minor (minor)
Theory: Intervals
Formula: R-m3-P5-m7-M9
Intervals: P1-m3-P5-m7-M9
The F Minor 9th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9 describes the scale degrees used. The intervals P1-m3-P5-m7-M9 show the distance between each note in the chord.
F Minor 9th — Frequently Asked Questions
What notes are in the F Minor 9th chord?
The F Minor 9th chord (Fm9) contains five notes: F (root), Ab (minor third), C (perfect fifth), Eb (minor seventh), and G (major ninth). It is Fm7 with an added ninth.
How does Fm9 differ from F9?
Fm9 has a minor third (Ab). F9 has a major third (A). Fm9 is dark and smooth; F9 is dominant.
How is Fm9 used in music?
Fm9 is the ii in Eb Major (Fm9–Bb13–Ebmaj9). Eb is a common jazz key. Fm9 also works as a i chord in F minor for lush minor harmony.
What songs use Minor 9th chords?
Minor 9th chords define neo-soul and lo-fi. Fm9 is common in jazz standards in Eb Major.
How does Fm9 differ from Fm7?
Fm9 adds the ninth (G) for richer colour.
Do I need to play all five notes?
No — drop the fifth: F–Ab–Eb–G is practical.
Practice Tips
- Play Fm7 then add G — hear the ninth open the chord.
- Drop the fifth: F–Ab–Eb–G is standard.
- Practice Fm9 → Bb13 → Ebmaj9 for the ii–V–I in Eb.
- Fm9 is beautiful in neo-soul — loop it for an atmospheric groove.
- Rootless: Ab–C–Eb–G (Abmaj7 shape over F bass).
- Compare Fm9 with F9 — the minor third creates a completely different mood.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.