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Well, octave are sets of 8 notes so most people would think 11, but it is actually 7 plus a minor third

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Q: How many octaves does an 88 key piano have?
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How many octaves does a common piano keyboard have?

An 88-key piano has 7 octaves plus three additional keys - making the keyboard have 7 1/4 octaves in total. Some pianos also have exactly 7 octaves ranging from the A 3 octaves below middle C to the A three octaves higher than the A tuned to 440Hz (the A above middle C).


How many key on piano?

88 keys on full size.


How many keys are on a standerd piano?

Standard pianos have a total of 88 keys. 52 white keys and 36 black keys.88


How long is a 88 key piano?

The exact origins of why there were a certain number of keys on a piano are unknown. What we do know from history is that the piano in the US consisted of 88 keys after 1885. The generally accepted number of piano keys is as follows: * 1700-1765 5 Octaves (5 x 12 = 60 keys) * 1765-1794 5 Octaves plus a 4th * 1794-1804 6 Octaves (6 x 12 = 72 keys) * 1804-1824 6 Octaves plus a 4th * 1824-1880 7 Octaves (7 x 12 = 84 keys) * 1880-Present 7 Octaves plus a 4th What we do know is that the piano, with 88 keys, is capable of reproducing the entire multiple octave spectrum of instruments used in an orchestra or band. Interesting to note that the Bosendorfer 9' 6" Concert Grand has 97 keys. The extra keys are at the bottom of the keyboard, extending from low A down to a growling really low C. As far as we know, there is no piano literature written that includes any played notes beyond the lowest A on a standard 88 key piano.


How many octaves are there on a piano?

The answer is 7 octaves plus a minor third. (A0 to C8)Most grand pianos have 88 keys, which would give them a 7 octave plus m3rd range. However some older grand pianos have only 85 keys and even sometimes less, which would reduce the range of the piano.On a normal piano (one with 88 keys), you have 7 1/3 octaves. There are 12 (chromatic) notes per octave.