How Many Keys Does a Full-Sized Keyboard Have?


Quick Answer

A full-sized piano has 88 keys; 52 white and 36 black that span seven octaves. Originally, pianos were modified harpsichords and had 60 keys that mimicked its predecessor's five octaves.

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Full Answer

During the Renaissance, Baroque and Classical periods, composers used the five octaves exclusively; any piece of music from this time is played solely of 60 keys.

In the mid-1800s, pianos began to be made with a full set of 88 keys by the end of the century, Steinway Piano Company came out with a standard model with a full seven octaves. Soon afterword, other piano manufacturers adopted the 88-key model as an industry standard.

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