Lesson 1 of 5
The keyboard map
The keyboard looks like a wall of identical white keys. It is not. One repeating pattern names every key on the instrument, and you can learn it in the next few minutes.
- Why the black keys sit in groups of two and three
- How to find C, D and F anywhere on the keyboard without counting
- The seven letter names and how they repeat
- What an octave is, and why it makes the piano smaller than it looks
About ten minutes of reading, a keyboard exercise you play yourself, and a ten question quiz at the end.
The black keys are the map
Look at the black keys and ignore everything else for a moment. They are not spaced evenly. They come in a repeating pattern: a group of two, then a group of three, then two, then three, all the way up the keyboard.
That grouping is the whole trick. White keys all look the same, but every white key sits in a particular spot next to the black key groups, and that spot gives it its name. Learn the pattern once and you can name any key on any piano in the world, because every piano uses the same layout.
More on this: where middle C is.
Finding C
C is the key just to the left of any group of two black keys. Not three. Two. Slide your eye to a two black key group, step one white key to the left, and you are on C.
The keyboard repeats, so there are several Cs. Each one is the same note at a different height: the further right, the higher the sound. The C nearest the middle of a full keyboard is called middle C, and it is where most beginners start.
More on this: the full online piano keyboard.
The seven letter names
White keys use the first seven letters of the alphabet: C, D, E, F, G, A, B. After B the pattern starts again at C. Going right, the notes climb: C, D, E, F, G, A, B, C. Going left, they descend the same way in reverse.
A few landmarks make this fast. D lives between the two black keys. F sits just to the left of the group of three black keys. Once you can spot C, D and F without counting, everything else is one or two steps from a landmark.
More on this: the five minute walkthrough.
What an octave is
The distance from one C to the next C is called an octave. It spans eight white keys, which is where the name comes from. Two notes an octave apart sound like the same note sung high and low, which is why they share a letter.
Within one octave there are seven white keys and five black keys, twelve keys in all. The whole keyboard is just that twelve key block repeated. This is why the instrument is far smaller than it looks: master one octave and you have mastered the layout of all of them.
Tap the keys below, use your computer keys, or plug in a MIDI keyboard. Press Hear the demo to watch it done first.
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Exercise complete. Nicely done.
- C is always just left of a group of two black keys
- D sits between those two black keys, F just left of the group of three
- White keys run C D E F G A B, then start again
- One octave is twelve keys: seven white and five black
Read these four lines again before the quiz and you will almost certainly pass it first time.
Ten questions from this lesson, one at a time, four answers each. You get ten minutes, the same pace as a real theory test, and every answer is explained whether you get it right or not. Score ten out of ten and you are ready for the next lesson.
Questions
About this lesson
Why do the black keys come in twos and threes?
The pattern exists so your eyes and hands can find their place. If all twelve keys in an octave looked identical, nobody could tell one C from the next. The alternating groups of two and three act as signposts that repeat identically across the whole keyboard.
How many keys does a full piano have?
A full size piano has 88 keys: 52 white and 36 black, a little over seven octaves. Smaller keyboards with 61 or 76 keys use exactly the same repeating layout, so everything in this lesson applies to them too.
Do I need to memorise every key name?
No. Learn the landmarks: C left of the two black keys, D between them, F left of the three. Every other key is one or two steps from a landmark, and with a little practice the naming becomes automatic rather than memorised.
Is middle C special?
Only in position. It sounds no different in character from any other C. It matters because it sits near the centre of the keyboard, between where your two hands naturally rest, so written music and lessons use it as the reference point.
← The five minute walkthrough · All lessons · Lesson 2: Fingers and hand position →
Want the short version instead of the lesson? Piano keyboard layout: 88 keys explained is the quick reference version of this lesson, with the numbers and the history.