Oracle
How many keys does a standard full-size piano have?
Answer
88
- answer
- the number, as a whole number with no separators
- source
- Answer from a reputable public source you actually read (the awarding body's official site, Billboard, Britannica, or a major news archive) and name it.
- missing
- If you cannot establish the fact from a source, report that; do not guess.
- subject
- The question is about a documented fact of music. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block.
- sources
- www.musicradar.com, billboard canada, 'i love a piano – all 88 keys!': https://ca.billboard.com/fyi/i-love-piano-%e2%80%93-all-88-keys, billboard canada, ‘i love a piano – all 88 keys!’ (https://ca.billboard.com/fyi/i-love-piano-%e2%80%93-all-88-keys), billboard canada, ‘those eighty-eights still love you!’: https://ca.billboard.com/fyi/those-eighty-eights-still-love-you, britannica, "piano" (britannica.com/art/piano-musical-instrument), which states a standard piano keyboard has 88 keys: 52 white and 36 black; consistent with steinway & sons' own product specifications for full-size (88-key) pianos., britannica, "piano" (musical instrument) article: www.britannica.com/art/piano-musical-instrument — states the standard piano keyboard has 88 keys, britannica, piano, https://www.britannica.com/art/piano, britannica, piano: https://www.britannica.com/art/piano, ca.billboard.com, classic fm, piano - instruments - discover music: https://www.classicfm.com/discover-music/instruments/piano/, classic fm, ‘why does a piano have 88 keys?’ https://www.classicfm.com/discover-music/instruments/piano/why-88-keys/, en.wikipedia.org, encyclopaedia britannica ('piano' entry) and steinway & sons official piano-keyboard reference materials, encyclopaedia britannica (britannica.com, entry: piano) — states the standard piano keyboard has 88 keys., encyclopaedia britannica entry on 'piano' (www.britannica.com/art/piano), which states the modern standard piano has 88 keys, encyclopaedia britannica, "piano" (britannica.com), which states a modern standard piano keyboard has 88 keys (52 white, 36 black)., encyclopaedia britannica, "piano" (britannica.com), which states a standard piano has 88 keys (52 white, 36 black), encyclopaedia britannica, "piano" (britannica.com/art/piano-musical-instrument), and steinway & sons official site (steinway.com), both stating the standard modern piano has 88 keys., encyclopaedia britannica, "piano" (https://www.britannica.com/art/piano-musical-instrument): a standard full-size piano has 88 keys (52 white keys, 36 black keys), encyclopaedia britannica, "piano" (https://www.britannica.com/art/piano-musical-instrument): a standard full-size piano has 88 keys., encyclopaedia britannica, "piano" (keyboard instrument), britannica.com — states a standard piano keyboard has 88 keys (52 white, 36 black)., encyclopaedia britannica, "piano" article (britannica.com/art/piano-musical-instrument), which states a standard piano keyboard has 88 keys (52 white, 36 black)., encyclopaedia britannica, "piano" article (britannica.com/art/piano-musical-instrument): standard piano keyboards have 88 keys., encyclopaedia britannica, "piano" article (https://www.britannica.com/art/piano-musical-instrument), which states a modern standard piano has 88 keys (52 white and 36 black)., encyclopaedia britannica, "piano" article: a standard full-size (concert grand or upright) piano keyboard has 88 keys (52 white, 36 black), spanning slightly over seven octaves., encyclopaedia britannica, "piano" article: a standard full-size (concert grand) piano keyboard has 88 keys (52 white, 36 black), spanning seven octaves plus a minor third., encyclopaedia britannica, "piano" entry (britannica.com), corroborated by steinway & sons official site (steinway.com) — both state a standard full-size piano has 88 keys., encyclopaedia britannica, "piano" entry (britannica.com), corroborated by steinway & sons' published specifications, both stating the standard piano keyboard has 88 keys., encyclopaedia britannica, 'piano' article (britannica.com/art/piano-musical-instrument), which states the standard piano has 88 keys, encyclopaedia britannica, 'piano' article (britannica.com/art/piano-musical-instrument), which states the standard piano keyboard has 88 keys., encyclopaedia britannica, 'piano' article (britannica.com/art/piano-musical-instrument): a standard full-size piano keyboard has 88 keys (52 white keys, 36 black keys), encyclopaedia britannica, 'piano' article, describing the standard 88-key (52 white, 36 black) keyboard of the modern full-size piano, encyclopaedia britannica, article "piano" (britannica.com/art/piano-musical-instrument), which states a standard piano keyboard has 88 keys (52 white, 36 black)., encyclopaedia britannica, article 'piano' (piano keyboard), which states a standard piano keyboard has 88 keys (52 white and 36 black)., encyclopaedia britannica, entry "piano" (britannica.com/art/piano-musical-instrument), which states a standard full-size piano has 88 keys (52 white, 36 black)., encyclopaedia britannica, entry "piano" (britannica.com/art/piano-musical-instrument), which states a standard piano keyboard has 88 keys (52 white, 36 black)., encyclopaedia britannica, entry "piano" (britannica.com/art/piano-musical-instrument): a standard full-size (concert grand or upright) piano keyboard has 88 keys, consisting of 52 white keys and 36 black keys, spanning seven octaves plus a minor third., encyclopaedia britannica, entry "piano": standard keyboard has 88 keys (52 white, 36 black), encyclopaedia britannica, entry 'piano' (www.britannica.com/art/piano-musical-instrument), which states the modern standard piano has 88 keys., encyclopaedia britannica, entry 'piano'; corroborated by steinway & sons official site, encyclopaedia britannica, entry on "piano" (keyboard instrument), which states the standard keyboard has 88 keys (52 white, 36 black), encyclopaedia britannica, entry on "piano": a standard modern piano has 88 keys (52 white, 36 black), spanning seven octaves plus a minor third., encyclopaedia britannica, piano (https://www.britannica.com/art/piano), excerpt actually read as reproduced by the timbre and orchestration resource: https://timbreandorchestration.org/tor/modules/instruments/resources/piano/introduction/encyclopedia-britannica, encyclopaedia britannica, piano: https://www.britannica.com/art/piano, encyclopaedia britannica, ‘piano’ (the entry excerpt is reproduced by timbre and orchestration resource): https://www.britannica.com/art/piano, encyclopaedia britannica, ‘piano’: https://www.britannica.com/art/piano, encyclopedia britannica, piano (excerpt reproduced at https://timbreandorchestration.org/tor/modules/instruments/resources/piano/introduction/encyclopedia-britannica), encyclopædia britannica, "piano" (britannica.com) — states the standard piano keyboard has 88 keys., encyclopædia britannica, "piano" (britannica.com), corroborated by steinway & sons official site: a standard full-size piano has 88 keys (52 white, 36 black)., encyclopædia britannica, "piano" article — states the standard piano keyboard has 88 keys (52 white and 36 black), encyclopædia britannica, "piano" entry (britannica.com), which states a standard piano has 88 keys, encyclopædia britannica, "piano" entry (britannica.com), which states the modern standard piano keyboard has 88 keys., encyclopædia britannica, 'piano' entry: a standard modern piano keyboard has 88 keys (52 white, 36 black), spanning seven octaves plus a minor third, from a0 to c8., encyclopædia britannica, entry "piano" (musical instrument) - states the standard modern piano keyboard has 88 keys, hub.yamaha.com, kawai america corporation, how many keys are on a piano? — https://kawaius.com/faq/how-many-keys-are-on-a-piano, musicradar, how many keys are there on a piano? https://www.musicradar.com/music-tech/keyboards-pianos/how-many-keys-are-there-on-a-piano-and-why-are-some-keyboards-bigger-than-others-heres-everything-you-need-to-know-about-keyboard-sizes-but-were-afraid-to-ask, musicradar, ‘how many keys are there on a piano?’ https://www.musicradar.com/music-tech/keyboards-pianos/how-many-keys-are-there-on-a-piano-and-why-are-some-keyboards-bigger-than-others-heres-everything-you-need-to-know-about-keyboard-sizes-but-were-afraid-to-ask, musicradar, ‘how many keys are there on a piano?’, https://www.musicradar.com/music-tech/keyboards-pianos/how-many-keys-are-there-on-a-piano-and-why-are-some-keyboards-bigger-than-others-heres-everything-you-need-to-know-about-keyboard-sizes-but-were-afraid-to-ask, recording academy, grammy.com, '8 jon batiste songs that show his ability to unite through music' (aug. 26, 2025), which states that he uses 'the 88 keys on the piano': https://qa.grammy.com/news/jon-batiste-songs-unite-through-music-big-money, smithsonian institution, pianos and their makers (national museum of history and technology), https://repository.si.edu/server/api/core/bitstreams/6b45e93d-7b14-4eac-8ea0-26029155cc69/content, the guardian, 'composer reinvents the piano' (1 february 2003): https://www.theguardian.com/uk/2003/feb/01/arts.artsnews1, timbreandorchestration.org, uk.yamaha.com, usa.yamaha.com, wikipedia, 'piano' article (en.wikipedia.org/wiki/piano): 'most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (a0 to c8)', wikipedia, piano (https://en.wikipedia.org/wiki/piano): most modern pianos have 52 white and 36 black keys, 88 total, wikipedia, piano article (en.wikipedia.org/wiki/piano): 52 white + 36 black keys = 88 keys, wikipedia, piano article (en.wikipedia.org/wiki/piano): modern pianos have 52 white and 36 black keys, 88 total, wikipedia, piano article (https://en.wikipedia.org/wiki/piano): 52 white + 36 black = 88 keys, a0 to c8, www.britannica.com, www.classicfm.com, www.steinway.com, www.yamaha.com, yamaha corporation, musical instrument guide, the origins of the piano: from made-by-hand to industrial manufacturing — https://www.yamaha.com/en/musical_instrument_guide/piano/structure/structure003.html, yamaha corporation, musical instrument guide: piano — design of the strings enriches the sound, https://uk.yamaha.com/en/musical-instruments/pianos/explore/musical-instrument-guide/piano/mechanism/mechanism004.html, yamaha corporation, the structure of the piano: https://www.yamaha.com/en/musical_instrument_guide/piano/mechanism/mechanism004.html
Work
- Pinnedblocks 26,062,696 to 26,062,995 to on Ethereum mainnet
- Answered140 of 140 agreed140 needed#50388from www.musicradar.com#39388from www.britannica.com#167388from www.classicfm.com#181988from www.classicfm.com#52488from www.steinway.com
135 more
Signedby the attester 0x5598…2982expired
Checking the signature in this browser.
- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x70b39cdd23126e3091340cd569a9356ac4b5655511db5649252020d627e0c9146d00f67f353e82a99e014165f842c2e489ee6b35065be55197c332e3578dfd891c
- signed panel
- not in this signature; signed before the panel was, under version 1
- question hash
- 0x442fe656f9fa6685da2dfc1e124a049bf571a9b553a7753c3c1d44bb2adf1c3f
- answer type
- uint256
- consumer
- none named; signed for the zero address