Correction for Keys on a Piano

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How much is 1,000,000,000,000?

It's about 10,000,000,000 times the number of Keys on a Piano

The count of Keys on a Piano is about 88.

(Moden layout; A₀ to C₇)

Most modern keyboards have 88 keys, comprising seven octaves and an additional major third. A full-size, acoustic piano may have as many as 12,000 separate parts.

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http://www.worldcat.org/title/88-keys-the-making-of-a-steinway-piano/oclc/37221039 

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APA Style (7th Ed.)

The Measure of Things. (2026). Correction for Keys on a Piano. Retrieved June 12, 2026 from www.themeasureofthings.com/CountOfThings/correction.php?amt=1000000000000&coeff=x&i=1586

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MLA Style (8th Ed.)

"Correction for Keys on a Piano" The Measure of Things, 2026, www.themeasureofthings.com/CountOfThings/correction.php?amt=1000000000000&coeff=x&i=1586. Accessed 12 Jun 2026.

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Chicago Style (17th Ed.)

"Correction for Keys on a Piano." The Measure of Things. 2026. https://www.themeasureofthings.com/CountOfThings/correction.php?amt=1000000000000&coeff=x&i=1586.

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