How to Replace Piano Strings

M Andrew

How to Replace Piano Strings: A Step-by-Step Guide

Have you noticed a change in the sound quality of your piano? Do you find that certain notes are not sounding as crisp as they used to? It might be time to consider replacing your piano strings. In this article, we will provide you with a comprehensive guide on how to restring a piano, the associated costs, and the importance of regular maintenance. So let’s dive in!

🎹 Note: Interested in the materials behind piano strings? Check out our previous article on What Are Piano Strings Made Of? to dive deeper!

How to Restring a Piano

Restringing a piano can be a daunting task, especially for those who are new to piano maintenance. However, with the right tools and guidance, it can be done effectively. Here are the basic steps involved:

Step 1: Gather the necessary tools

Before you begin, make sure you have all the required tools such as a tuning lever, wire cutters, a piano stringing tool, and new piano strings. These tools are essential for a smooth and successful restringing process.

Step 2: Remove the old strings

Start by detaching the old strings from the piano, one at a time, using the wire cutters. Carefully unwind each string from its tuning pin and then remove it from the piano. Remember to keep track of the corresponding notes for each string.

Step 3: Install the new strings

Take one of the new strings and insert it through the hole in the corresponding tuning pin. Gradually wind the string around the tuning pin, making sure it is aligned properly. Repeat this process for each string, ensuring they are all tightly wound and correctly positioned.

Step 4: Tune the piano

After replacing all the strings, it is essential to tune the piano to ensure optimal sound quality. Use the tuning lever to adjust the tension of each string until it matches the desired pitch. If you are unsure about tuning, it is recommended to seek professional help from a piano tuner.

Cost to Restring a Piano

The cost of restringing a piano can vary depending on various factors such as the piano type, the number of strings, and the labor involved. On average, you can expect to spend between $500 to $1,500 for professional restringing services. However, if you choose to restring the piano yourself, the cost can be significantly lower as you only need to purchase the materials required.

Basic Steps in Restringing a Piano

Restringing a piano involves several fundamental steps that should be followed carefully to ensure a successful outcome. Here is a breakdown of the basic steps involved:

  1. Gather the necessary tools.
  2. Remove the old strings.
  3. Install the new strings.
  4. Tune the piano.

Following these essential steps will help you achieve optimal results and restore the sound quality of your piano.

How Often Should You Restring a Piano?

Now that you know the process of restringing a piano, the next question that arises is how often should you do it? The frequency of piano restringing depends on several factors, including the usage of the piano, the environmental conditions, and the overall quality of the strings. In general, it is recommended to restring a piano every 20-25 years. However, if you notice a significant decline in sound quality or if the strings show signs of wear and tear, it is advisable to consider restringing the piano sooner.

How Much Does It Cost to Replace a Piano String?

Few things are as frustrating as a broken piano string. The cost of replacing a piano string can vary depending on the type and quality of the string. On average, it can range from $20 to $50 per string. However, the overall cost will depend on the number of strings that need replacement. It is recommended to consult with a professional piano technician to get an accurate estimate based on your specific needs.

Standing Waves

When discussing piano strings, it is important to understand the concept of standing waves. Standing waves are the result of the interaction between vibrations of the piano strings and the soundboard. These waves create the characteristic sound of the piano by resonating and amplifying certain frequencies. Understanding standing waves is crucial for proper tuning and maintenance of the piano.

What Are Piano Strings For?

Piano strings are responsible for producing sound in a piano. When a key is pressed, a felt-covered hammer strikes the corresponding string, creating vibrations that resonate through the soundboard and produce audible tones. Each string is tuned to a specific pitch, enabling pianists to play various notes with precision and accuracy. Without strings, a piano would be nothing more than a beautifully designed piece of furniture.

How Many Strings Does a Piano Have?

The number of strings in a piano can vary depending on its size and type. On average, a standard upright piano has 220-240 strings, while a grand piano can have anywhere between 230 to 250 strings. It’s astonishing to think that each string is carefully crafted to produce a unique musical tone, contributing to the richness and complexity of the piano’s sound.

Strings & Notes

A piano string’s length, diameter, and tension determine the pitch it produces. When you press a key on a piano, it triggers a mechanism that causes the corresponding string(s) to vibrate. The length and tension of the string determine the natural frequency at which it vibrates, creating a specific musical note. By carefully adjusting the tension of each string, pianos can produce a wide range of notes, from the lowest bass to the highest treble.

How to Replace a Broken Piano String

[youtube v=”JKZTSYmFUbY”]

Have you ever had the unfortunate experience of breaking a string on your piano? It can be quite intimidating to figure out how to fix it, especially if you’re not familiar with the inner workings of the instrument. However, with the help of YouTube, it is possible to learn the mechanics and successfully replace the broken string.

The first step is to remove the piano’s action, which is the mechanism responsible for producing sound. This may seem daunting at first, but with some knowledge and the right tools, it can be done. By removing the threaded bolts from the posts, the action can be pivoted forward and lifted out, providing access to the broken string.

Once the action is removed, it becomes apparent that each string is connected to two pins, which handle different keys or notes. The string wraps around one of these pins and is protected by felt. Carefully unhooking the string from one of the pins reveals its fine threads, which grip into the wood to secure it in place.

With the broken string removed, the next step is to measure the length needed for the replacement string. With about three or four fingers of extra length, a bend is made in the wire to accommodate it properly. While there may be various tricks of the trade for this process, improvising with round bends can suffice for a beginner.

Now comes the challenging part of putting the new string on. This can involve some trial and error, as the tricks behind the process may not be immediately known. However, with patience and persistence, the string can be placed on the pins, wrapped around them, and secured with the help of tightly coiling the wire.

Once the new string is in place, it’s time to reassemble the action and put everything back together. This can be a delicate process, and the assistance of someone to hold the action steady may be helpful. With the action in place, it’s time to test if the new string holds and produces the desired sound.

Although the result may not be perfect, with practice and experience, the process of replacing a broken piano string becomes easier. It’s satisfying to know that for just a small cost, such as $13, it is possible to solve this problem and keep your beloved piano in working order for years to come.

In conclusion, breaking a piano string can be a frustrating experience, but with the help of online resources and a little bit of patience, it is possible to replace the string and get your piano playing beautifully once again. By understanding the mechanics of the piano, measuring the length needed for the replacement string, and carefully installing it, you can keep your family heirloom or beloved instrument in top shape for years to come.


Restringing a piano is no small feat, but with the right tools and knowledge, it can be a rewarding and necessary task for maintaining the instrument’s sound quality. We discussed the step-by-step process of restringing a piano, the associated costs, and the importance of regular maintenance. Remember, a well-maintained piano will not only provide you with beautiful music but will also stand the test of time.


  1. Can I restring my piano myself?
    Yes, you can restring your piano yourself if you have the necessary tools and knowledge. However, it is recommended to seek professional help if you are unsure about the process.
  2. Are there any risks involved in restringing a piano?
    Restringing a piano carries some risks, such as damaging the soundboard or misaligning the strings. It is advisable to consult with a professional piano technician to minimize these risks.
  3. Do piano strings need regular maintenance?
    Yes, piano strings require regular maintenance to ensure optimal sound quality. Regular cleaning, tuning, and occasional restringing are necessary to keep your piano in excellent condition.
  4. Can I use any type of string to restring my piano?
    No, using the wrong type of string can affect the sound quality and overall performance of your piano. It is crucial to use high-quality piano strings specifically designed for your piano model.
  5. How often should I tune my piano after restringing?
    After restringing a piano, it is recommended to tune it at least twice within the first year. Subsequently, depending on usage and environmental conditions, pianos should be tuned at least once or twice a year.


Leave a Comment