Guitar Chords in the Key of F Major

The chord formula for any Major key is Major, minor, minor, Major, Major, minor, diminished.

The chords in the key of F Major are F Major, G minor, A minor, B♭ Major, C Major, D minor, and E diminished.

A common way to number these chords is by Roman numerals: I, ii, iii, IV, V, vi, vii. Numerals that represent a major chord are usually capitalized, and minor and diminished chords are lower case.