Tillie Doyle
The number of keys on a piano depends on the type of piano and the time period. Early pianos had as few as 50-60 keys, but since the late 19th century, the standard number of keys on a piano has been 88. This standard was set by Steinway in 1869, and a piano with 88 keys has 7 octaves plus 3 extra notes below the bottom C. There are some pianos with more than 88 keys, such as the Bösendorfer Imperial Concert Grand, which has 97 keys, and the Stuart & Sons Beleura Concert Grand, which has 108 keys. Smaller keyboards or synthesizers typically have fewer keys, usually in increments of 25, 32, 49, 61, or 72 keys.
| Characteristics | Values |
|---|---|
| Number of keys on a standard piano | 88 |
| Number of keys on a classical piano | 88 |
| Number of keys on a full-size piano | 88 |
| Number of keys on a piano with fewer keys | 61 |
| Number of keys on a piano with more keys | 97 or 108 |
| Number of black keys on a standard piano | 36 |
| Number of white keys on a standard piano | 52 |
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What You'll Learn
The standard piano has 88 keys
The 88-key piano is considered standard because it offers both versatility and comfort to the pianist. The number of octaves a piano has can heavily affect its versatility. While there are some pianos with more than 88 keys, mainly grand pianos, 88-keyed pianos are considered standard because composers needed more keys to expand the range of compositions, and 88 was considered the optimum number of keys.
The 88-key piano consists of 52 white keys and 36 black keys. The white keys are known as natural music notes, while the black keys are sharps and flats. The black keys play notes that are a half step (also called a semitone) higher or lower than their neighbouring white keys. There are seven different notes in an octave—12 half steps up from a starting note.
If you are a beginner, you will be fine using a piano with fewer keys as it is unlikely that you will be using the full piano key range when you first start learning. However, if you are an experienced player, it is best to get an 88-key piano as it gives you room to do much more.
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There are 52 white keys and 36 black keys
A standard piano has 88 keys, with 52 white keys and 36 black keys. The white keys are known as natural music notes, while the black keys are sharps and flats. A standard piano with 88 keys has seven octaves, with three extra notes below the bottom C. The number of octaves a piano has can heavily affect the versatility of the piano.
The earliest versions of the piano had around 50–60 keys, including the 1720 Cristofori grand with just four octaves. As the piano's popularity grew, composers started requesting more notes to create more complex music. Piano manufacturers began making bigger pianos to accommodate this demand. By the mid-1800s, competitive piano manufacturers were producing 85-key instruments with seven octaves.
In 1869, Steinway & Sons created the first 88-key piano with seven and a quarter octaves. This became the standard, and by the early 1900s, pianists like Liszt and Rachmaninoff were performing repertoires that utilised the piano's full range. Today, most acoustic pianos have 88 keys, although there are some exceptions, with some pianos offering more than 88 keys.
Digital pianos and keyboards come in various sizes and configurations, with the number of keys depending on the size of the piano. Keyboards are most commonly found in 61-key and 76-key sizes, making them more portable. Digital pianos can have as few as 25 keys and go up to 104 keys.
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Pianos with fewer keys are available
A standard piano typically has 88 keys, with 52 white keys and 36 black keys. However, pianos with fewer keys are available, especially in the form of digital or electronic keyboards.
Digital pianos are electronic instruments that use technology to imitate the sound of an acoustic piano. They are often more compact and portable, with various sound and rhythm options. Digital pianos can have anywhere from 49 to 88 keys. For example, the Yamaha Piaggero series offers 61-key (NP-12) and 76-key (NP-32) options with great sound, semi-weighted keys, and lightweight designs. The Casio CT-S300 is another 61-key option with touch sensitivity and excellent build quality, available for a budget-friendly price of around $150 in the US.
Electronic keyboards also come in a range of configurations, with 61-key and 76-key sizes being the most popular due to their portability. The Yamaha P121 is one of the few digital pianos with less than 88 keys that has weighted keys, providing a more authentic piano experience.
While it is possible to learn and play piano on keyboards with fewer keys, many people recommend starting with a full 88-key piano. This is because a full keyboard will allow you to play any piece of music without being limited by the range of notes available. Upgrading to a full-sized piano later can be a more cost-effective option in the long run, as you won't need to replace it as your skills progress.
However, for beginners who are unsure about committing to the piano, starting with a smaller keyboard can be a more affordable option. It can also be a convenient choice for those with limited space or who need a portable instrument.
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Pianos with more than 88 keys exist
The standard piano has 88 keys, with 52 white and 36 black keys. The white keys are known as natural music notes, while the black keys are sharps and flats. The standard piano has seven octaves, with the highest note being C8.
However, pianos with more than 88 keys do exist. The Bösendorfer Imperial, for example, has 97 keys, allowing pianists to play eight full octaves. The largest piano ever made has 108 keys (nine octaves), although this is rare.
The piano was first invented in 1700 by Bartolomeo Cristofori, and the earliest versions had around 50-60 keys. As the piano gained popularity, composers began to ask for more notes to create more complex music. By the 1890s, the modern piano keyboard had become standardised with 88 keys.
Today, it is technically possible to make a piano with more than 88 keys. However, some argue that expanding the piano's range would not be musically meaningful. This is because, to the human ear, the extra bass notes would sound like a rumble, and the additional treble notes would be heard as an unpleasant dissonant noise.
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The number of keys affects the versatility of the piano
The piano is a versatile instrument used in a wide range of musical genres, from classical to jazz, traditional, and popular music. It is used for solo performances, accompaniment, composing, and songwriting. The piano keyboard offers an effective means of experimenting with complex melodic and harmonic interplay between chords and multiple, independent melody lines.
The number of keys on a piano affects its versatility. While the earliest versions of the piano had around 50-60 keys, the standard piano today has 88 keys, with 52 white keys and 36 black keys, providing seven full octaves. This became the standard in 1869 when Steinway & Sons created the first 88-key piano, allowing for more complex music. Having a full 88-key piano is recommended, especially for classical music, as it provides access to the full range of notes and enables more advanced playing.
However, some pianos have more or fewer keys. For example, some older or more compact pianos have 85 keys, and the Bösendorfer Imperial Concert Grand piano has 97 keys, allowing for eight full octaves. On the other hand, beginner pianists may start with keyboards that have fewer keys, such as 61 or 76, which are more portable and affordable. These smaller keyboards may limit the range of notes and styles of music that can be played, but they can still be sufficient for beginners who are just starting to learn the instrument.
While having more keys increases the versatility of the piano, it is not always necessary. Most music can be played on a standard 88-key piano, and creating larger pianos is more challenging and costly. Additionally, the style of music played also influences the usefulness of the extra keys, with the highest and lowest octaves being less used outside of classical music. Ultimately, the number of keys on a piano can impact its versatility, but the pianist's skill, the type of music played, and other factors also play a role in the instrument's overall versatility.
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Frequently asked questions
A standard piano has 88 keys, which span just over seven octaves.
There are seven octaves on a standard piano, with three extra keys at the bottom: B-flat, B, and C.
Yes, the number of keys on a piano varies depending on its type and time period. Early pianos had four octaves, while some modern pianos have more than 88 keys, such as the Bösendorfer 290 "Imperial" with 97 keys, and a Stuart & Sons model with 108 keys.
A piano for beginners should have at least 88 keys, a hammer dynamic, and a sustain pedal.
