interval
F major sixth
FlowerDupperM69 half steps
Nine half steps. The minor third turned upside down.
On the keyboard
What is true of it
F up a major sixth is D: 9 half steps, and 6 letters counting both ends.
Turn it upside down — put the F on top — and it becomes a minor third. The two numbers always add to nine, and the two sizes to twelve.
It is a imperfect consonance.
Every interval on F
F → G♭minor second · dissonanceF → Gmajor second · dissonanceF → A♭minor third · imperfect consonanceF → Amajor third · imperfect consonanceF → B♭perfect fourth · perfect consonanceF → Baugmented fourth · dissonanceF → C♭diminished fifth · dissonanceF → Cperfect fifth · perfect consonanceF → D♭minor sixth · imperfect consonanceF → E♭minor seventh · dissonanceF → Emajor seventh · dissonance