The order of flats is:
B E A D G C F
(Scroll down to see the order of flats as key signatures on each clef below.)
Memorize the order of flats with the help of our free and interactive key signature flashcards!
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The order of sharps is the exact opposite of the order of flats. See here on the order of sharps page.
Want to print or download your own flashcards? Get them here Printable Key Signature Flashcards!
Key signatures also follow this order. The image below shows order of flats as key signatures on the treble, alto, tenor, bass clefs:
You may also notice that this is also the "right side" of the circle of fifths.
If you want practice recognizing key signatures and their respective keys, try out our key signature quiz!
There are a number of great mnemonics to help with memorizing the order of flats. Below you will find a list of a bunch, but I'll begin with my favorite:
This is my favorite mnemonic for the order of flats becuase it is also a perfect way to memorize the order of flats! This is because it is a palindrome! To get the order of sharps, just say it backwards: "Father Charles Goes Down And Ends Battle"