NU-X 88-Key Digital Piano
A practical digital piano with graded hammer action (fully weighted) and 88 keys, best judged on how the keys feel for the way you play.
How Many Keys Does a Digital Piano Need? (88, 76, 61)
Digital pianos and keyboards come with different numbers of keys, and the right count depends on your goals. This guide explains 88, 76 and 61 keys and which you need.
The short answer
For learning piano, 88 keys is the standard to aim for, matching a full acoustic piano so you can play any piece and follow tutor books exactly. 76 or 61 keys save space and cost and suit casual playing, keyboards and some other instruments, but they miss notes at the top and bottom that you will eventually want. If piano is your goal, go for 88; for casual or portable use, fewer can do.
88 keys (full size)
88 keys is the full range of an acoustic piano, so an 88-key instrument lets you play the entire piano repertoire with no missing notes. It is the right choice for serious learning, since tutor books and pieces assume the full keyboard. The trade-off is size and (slightly) cost, but for genuine piano study, the full 88 is the sensible default.
76 keys
76 keys drops a few notes at each end but keeps most of the range, in a slightly smaller, lighter instrument. It can suit players short on space or those who mostly play pieces within its range. For most piano learning, though, you will eventually meet notes outside 76 keys, so it is a compromise rather than the ideal for piano study.
61 keys
61 keys is common on keyboards and beginner instruments, compact and affordable. It is fine for casual playing, early learning, synth and many non-classical styles, but it misses a significant part of the piano range. If you are serious about piano, you will outgrow 61 keys; if you want a small, cheap, fun instrument, it can be enough to start.
Which to choose
Choose 88 keys if you want to learn piano properly and play the full repertoire - it is the safe default. Choose 76 or 61 only if space, weight, budget or casual use matter more than the full range, accepting the limits on what you can play. For most people serious about piano, 88 keys is worth it from the start.
Common mistakes to avoid
- Buying 61 keys when you really want to learn piano.
- Forgetting that tutor books assume 88 keys.
- Choosing fewer keys for space then outgrowing them.
- Overlooking that fewer keys often also means unweighted action.
- Assuming more keys alone makes a better piano - action and sound matter too.
Our top picks
#1
#2 
Yamaha
A practical digital piano with graded hammer action (fully weighted), best judged on how the keys feel for the way you play.
#3 
Yamaha
A practical digital piano with graded hammer action (fully weighted) and 88 keys, best judged on how the keys feel for the way you play.
#4 
Roland
A practical digital piano with 88 keys, best judged on how the keys feel for the way you play.
Frequently asked questions
How many keys does a digital piano need?
For learning piano, 88 keys is the standard - it matches a full acoustic piano so you can play any piece and follow tutor books. 76 or 61 keys save space and cost but miss notes you will eventually want.
Is 61 keys enough to learn piano?
It is fine to start and for casual playing, but 61 keys misses a significant part of the piano range, so you will outgrow it for serious study. For genuine piano learning, 88 keys is the better choice.
What is the difference between 88 and 76 keys?
88 keys is the full acoustic piano range; 76 drops a few notes at each end in a slightly smaller, lighter instrument. For most piano learning, 88 keys is ideal, as you will eventually meet notes outside 76.
Bottom line
Our top pick is the NU-X 88-Key Digital Piano (our score 9.5/10) - A practical digital piano with graded hammer action (fully weighted) and 88 keys, best judged on how the keys feel for the way you play..