A major key signature
A major has 3 sharps: F♯ C♯ G♯. Its relative minor is F♯ minor. The chart below shows the key signature on the treble staff — free to print or download.
What is in the A major key signature?
A major has 3 sharps: F♯ C♯ G♯. Every F, C, G… of that letter is played sharp throughout the piece, unless cancelled by a natural sign.
How to read it
- Look at the accidentals. A major shows 3 sharps straight after the clef: F♯ C♯ G♯.
- Name the key from the last accidental. For a sharp key, the last sharp is the seventh note of the scale — go up one semitone to find the key (the last sharp here is G♯).
- Find the relative minor. A major shares this key signature with F♯ minor, its relative minor.
See how it fits with every other key on the circle of fifths(or fill in a blank circle of fifths from memory), learn the notes on the treble clef, or read the guide toreading sheet music.
A major key signature — frequently asked questions
How many sharps or flats does A major have?
A major has 3 sharps: F♯ C♯ G♯.
What is the relative minor of A major?
F♯ minor is the relative minor of A major — it uses the same key signature.
Is the A major key signature chart free to print?
Yes — print it or download the PDF or PNG for free, with no sign-up.