Beginner guide

Where is middle C on a keyboard?

Short answer

Middle C is a white key just left of a group of two black keys, near the middle of the keyboard. On a 61-key keyboard it’s the third C from the left. Most piano books call it C4. Yamaha calls it C3.

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Two 3D hands on a piano keyboard. Both thumbs share the outlined key, middle C. Each finger is numbered. — Both thumbs on middle C, the outlined key. This is where many first pieces start.

Find it in three steps

Look for a group of two black keys near the middle of your keyboard.
The white key just left of the two black keys is C. Every C sits there.
Count the Cs from the left end. On 61 keys, the third C is middle C.

Where it is on your keyboard

Keys	Lowest to highest	Middle C is
25	C3 to C5	the 2nd C from the left
32	F2 to C5	the 2nd C
37	C3 to C6	the 2nd C
49	C2 to C6	the 3rd C
61	C2 to C7	the 3rd C
76	E1 to G7	the 3rd C
88	A0 to C8	the 4th C

These are the usual ranges. Octave or transpose buttons move them: set those back to normal first. TwoThree asks you to press your lowest and highest key, so it knows.

Why C4, and why Yamaha says C3

Each octave starts on C and gets a number. On an 88-key piano the lowest C is C1, so the fourth C is C4: middle C.

Yamaha numbers one lower, so its manuals and screens call middle C “C3”. Same key, same sound. TwoThree shows “C4 (Yamaha C3)” when your keyboard is a Yamaha.

Middle C on the staff

Middle C sits on a short line of its own, called a ledger line: just below the treble staff, or just above the bass staff. Both are the same key.

Find it on your own keyboard

The first lesson finds the black-key groups, then every C, then middle C. It waits while you look. No account needed. Your practice saves on this device. A free account keeps it safe and on your other devices.