On a standard musical keyboard there are 36 white keys and 25 black keys. However on a full size piano there are 88 keys total. A keyboard is smaller than a regular piano because the keyboard was made to basically be a transportable piano. But it still can make the same songs.
The standard number of keys on a keyboard has not changed since 1870. A standard keyboard has eighty eight keys. There fifty two white keys and thirty six black keys.
