Digital Piano Beast

The Dimensions of a Piano

Piano Dimension

Whether you are a musician, a music enthusiast, or just curious about the inner workings of pianos, understanding the dimensions of this instrument is essential. The size and shape of a piano can affect its sound, quality, and overall performance. Let’s take a look at the components that make up the dimensions of pianos so you can better understand how they work.

The Strings and Soundboard

Perhaps one of the most important components in determining the size and shape of a piano is its strings and soundboard. Pianos typically have 88 strings, grouped into several sections called “choirs”. These choirs are connected to a soundboard consisting of thin wooden boards that vibrate as the strings are struck by hammers when keys are pressed. The larger the soundboard, the greater resonance it will produce which results in richer tones. Therefore, larger pianos tend to have bigger soundboards to create more volume and resonance.

Check Also: Best 88 key digital pianos 

The Cabinet

The cabinet is another important factor when considering the dimensions of a piano. This is essential what houses all the internal components such as strings, hammers, dampers, and keys. The cabinet also determines how much space your piano will take up in your home or venue depending on its size. Grand pianos tend to have longer cabinets due to its extended length—this also affects their overall footprint too. Upright pianos usually take up less space than grand models due to their vertical design but still come in various sizes with different types having differing depths and heights depending on model specifications.

The Keys

Lastly, we cannot forget about perhaps one of the most visible aspects of any piano—the keys! Full-size acoustic pianos typically have 88 black and white keys (7 octaves). Shorter keyboards may be available for those who require something smaller with fewer keys (typically 61 or 76). Digital pianos offer even more versatility when it comes to key count since many models allow users to switch between different settings such as ‘mini keyboard’ or ‘full keyboard’ depending on their needs at any given time.


Knowing how each component affects the size and shape of a piano can help you decide which type is right for you—whether it’s an acoustic grand or a digital mini keyboard! The dimensions play an integral role in creating different sounds and levels of resonance so understanding them is key (no pun intended!). With this knowledge under your belt now you can start searching for that perfect instrument fit for your needs!


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