Chord · F# Dominant 13th
F♯13 Chord
F♯13 is F#, A#, C#, E, G# and D# — big; jazz V chord at full extension.
F♯13 on every instrument
The same 6 notes, 2 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.
What F♯13 is made of
F# Dominant 13th (F# dominant 13th) is built from the notes F#, A#, C#, E, G#, D#, with the interval pattern 1, 3, 5, b7, 9, 13. A common dominant 13th chord across many styles.
Stack 1, 3, 5, b7, 9 and 13 on a root of F♯ and you get F#, A#, C#, E, G# and D#. That interval recipe is what makes the chord a thirteenth chord — move the same shape to another root and the character travels with it, which is why C13 sounds like a transposed F♯13.
Dominant 13th: Big; jazz V chord at full extension.
Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with F♯ rather than its enharmonic equivalent.
Keys that contain F♯13
All 6 notes sit inside the scale of 4 keys. The roman numeral marks the degree the chord is rooted on.
Other chords on F♯
Same root, different colour.
The same thirteenth shape, moved
The identical interval recipe, built on other roots.
Questions people ask about F#13
- What notes are in the F#13 chord?
- F#13 is made of F#, A#, C#, E, G# and D# — the 1, 3, 5, b7, 9 and 13 degrees of a thirteenth chord built on F#.
- What keys use the F#13 chord?
- Every note of F#13 belongs to 4 keys: B Major (V), Cb Major (V), G# Minor (VII), Ab Minor (VII). The roman numeral is the scale degree the chord is rooted on.
- How do you play F#13 on guitar and piano?
- This page shows F#13 on guitar and piano — 3 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
- Is F#13 the same as Gb13?
- Yes. F#13 and Gb13 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; F#13 is the spelling this site treats as canonical.
Learn the theory behind it
Why F♯13 behaves the way it does — the guides that explain the chord instead of just spelling it.