C♯ major key signature
C♯ major has 7 sharps: F♯ C♯ G♯ D♯ A♯ E♯ B♯. Its relative minor is A♯ minor. The chart below shows the key signature on the treble staff — free to print or download.
What is in the C♯ major key signature?
C♯ major has 7 sharps: F♯ C♯ G♯ D♯ A♯ E♯ B♯. 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. C♯ major shows 7 sharps straight after the clef: F♯ C♯ G♯ D♯ A♯ E♯ B♯.
- 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 B♯).
- Find the relative minor. C♯ major shares this key signature with A♯ 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.
C♯ major key signature — frequently asked questions
How many sharps or flats does C♯ major have?
C♯ major has 7 sharps: F♯ C♯ G♯ D♯ A♯ E♯ B♯.
What is the relative minor of C♯ major?
A♯ minor is the relative minor of C♯ major — it uses the same key signature.
Is the C♯ major key signature chart free to print?
Yes — print it or download the PDF or PNG for free, with no sign-up.