If you’re looking to detect any problems with your garage door, especially if it hasn’t been working properly lately, one thing that you should pay attention to is the number of turns on your garage door spring. This basic task can make a huge difference in how well your garage and its various components operate.

Here, we’ll not only discuss the importance of understanding how many turns are on a torsion spring for a residential or commercial garage door but also provide step-by-step instructions so you know exactly what to look out for.

Read on to learn more about why understanding your particular model’s turn count is important and why lv-garagedoor can help ensure optimum performance!

When it comes to keeping your garage door running smoothly and safely, the number of turns on a residential or commercial garage door torsion spring is critical. Typically, most residential torsion springs should have between 6 and 7 full turns. 

Commercial torsion springs, on the other hand, have many more turns and can range from 10 to 28 turns depending on the model and size of your door. Moreover, extension springs require between 6 and 12 turns for a residential garage door. A commercial or industrial garage door may require up to 18 turns.

How To Calculate The Number of Turns on Garage Door Spring?

There are many ways to calculate the number of turns on a garage door spring. It will depend on the size and type of spring that you have installed. These include:

Counting the Coils of The Spring:

One way to calculate the turns is by simply counting the number of coils or loops that are found in the spring. This can be done from either side of the spring, however, it should be noted that some springs may have more than one layer of the coil which would double or even triple your count.

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Measuring the Spring Length:

Another way to calculate the number of turns is by measuring the length of the spring and then counting the full rotations that it makes. Measurement should be taken from one end to another as if stretched out, not compressed.

Using a Tension Gauge:

A tension gauge can also be used to measure the amount of torque or force that is placed on the spring. This can be used to calculate the number of turns that are in the spring.

Calculating with A Formula:

The last way to calculate the number of turns on a garage door spring is by using a mathematical formula. The formula will depend on the type and size of spring that you have installed, but typically it involves multiplying the wire diameter and the spring’s outer diameter.

Why is it Important To Calculate The Number of Turns on a Garage Door Spring?

There are several important reasons why it is essential to accurately calculate the number of turns on your garage door spring. These include:

Proper Functionality:

The number of turns on your garage door spring is directly related to the tension it provides and can play a large role in how smoothly your garage door operates. If too much or too little tension has been applied to the spring, it can cause it to become brittle or even break prematurely leading to costly repairs.

Increased Safety:

Having the correct number of turns on your garage door spring is especially important when it comes to safety. A properly tensioned spring will ensure that the garage door does not become unbalanced and fall while in use, potentially causing injury or damage.

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Reduced Wear:

The springs on your garage door are designed to last for several years, however, if the wrong number of turns is applied it can cause premature wear. Taking the time to accurately calculate the number of turns on your spring will ensure that it provides reliable service for many years.

Overall Savings:

Accurately calculating the number of turns on your garage door spring may require an initial investment of time and resources but it can save you money in the long run. With proper tension, your garage door will operate more efficiently leading to reduced energy costs and increased longevity.

What Are The Different Types of Garage Door Springs?

Garage door springs are an essential component of a garage door. They help counterbalance the weight of the door and allow it to open and close easily. There are two main types of springs used in garage doors,

Extension Springs:

Extension springs are mounted on either side of the door, above the horizontal track. They work by stretching and contracting when the door opens and closes. Extension springs can be adjusted manually or with a tensioning device. The number of turns in the spring will determine its lifting power.

Torsion Springs:

Torsion springs are located at the top of the garage door and they use torque to open and close it. When you press the button on the opener for your garage door, it winds up these springs. The same amount of torque is then used to close the door. Torsion springs are considered safer and more reliable than extension springs as they last longer and require less manual maintenance.

What Are The Tips For Choosing The Right Garage Door Springs?

Here are some helpful tips to consider when choosing the right garage door springs:

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Consider Your Weight Requirements:

The size and type of spring you need will depend on how much weight your garage door needs to lift, as well as the frequency with which it is used. Make sure that you accurately measure the weight of your door before selecting a spring.

Consider Your Application:

If you’re looking for garage door springs for a commercial or industrial application, it’s important to select heavier-duty hardware than if you were using these items in a residential setting.

Choose the Right Material:

Garage door springs are available in steel and stainless steel models. Steel is lighter and less expensive, while stainless steel is a bit more expensive but does offer some additional corrosion resistance.

Find the Right Design:

When it comes to finding the right garage door springs for you, there are several designs available. Make sure to research what type of spring will work best for your door and the overall weight requirements.

Consider Easing of Installation:

When selecting garage door springs, make sure to look for models that are relatively easy to install. If you don’t have the experience or proper tools to replace springs yourself, it might be wise to hire a professional to do the job.


Counting the tight winds you see on a new spring may provide you with some understanding of the tension created, but that’s not always enough to prevent a disaster down the line. Having a professional come out and inspect your springs is always the wisest choice.

The professionals can assess the springs for wear and tear, replace ones that have gone bad, or install a completely new system if needed. It may cost a bit more now but may save you hundreds later in repairs or replacements.