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Here are some pulley belt length calculator online free. With these, you can calculate length of the v-belt and other belts in just few seconds. Here these websites take information like center distance, diameter of the pulleys, and then reveal the final results. Even though, you can calculate this by yourself using pen and paper  with a scientific calculator but if you don’t have these then you can take help of these online calculators. You just enter the input parameters and get the final result in blink of an eye.

If you are in first year of mechanical engineering or learning basic mechanical engineering then you have to deal with a lot of pulley parameters and calculations. One of those calculations deals with length of the pulleys. And in this post, I will talk about some online calculators that you can use. Some websites in the below list are very simple and you just have to enter the input values for pulleys and then they will generate results in blink of eye. In case, you want to know the formula to calculate length of the pulley, you can see the screenshot below.

## Belt Length Calculator by Dura-Belt

Belt Length Calculator by Dura-Belt is one of the best free online tool that you can use to calculate belt length. It has listed 4 different methods on its website that you can use. Based on the condition of the belt length, you can use the method that you want. If the belt is brand new and unstretched then you can proceed with the very first method listed on the website. Or, if you want to calculate the belt length according to two pulley system then you can do that there too.

There is no need to sign up or register in order to calculate length of the belt. You just land on the main homepage of this calculator and then you are done. Based on the state of the belt you have, you will need to choose the method accordingly. Since, we are calculating length of the belt in pulley system so go for the method 3. You need to enter all the parameters there that it asks and see the corresponding results.

So, if you have unused or new belts then you can go with the direct method and the pulley system method. But if the belt is stretched then you will have to go for other methods on the website. There are diagrams corresponding to different methods are drawn and you can take help from them if you want to.

## Belt Length Calculator by Bbman

Belt Length Calculator by Bbman is a very good tool to calculate belt length. This is like any other website that I have mentioned in this list. Here this is kind of advanced tool to calculate belt length as here it lets you consider number if teeths in the belt as well. You can define type and size of the teeths in the belt and then specify other parameters and get the results. Simple as that. It offers you a nice interface where you just enter the details about the belt and get the results in real-time.

Use the mentioned link to reach the homepage of the calculator and then you can simply start entering the details. Start by specifying style and number of teeth. It supports teeth types of MXL, XL, L, and H. You can select the one from the main interface and then proceed by specifying the details about pulleys. In the end, enter the distance between the centers and then it will give you the result on the right side.

## Pulley Belt Length Calculator by blocklayer.com

This is another very good pulley belt length calculator(homepage) you can try online. Here this does not only give you correct result quickly but it also generates animated diagram of pulley for you. As you enter the input parameters for calculating belt length, it generates the result. And along with the belt length, it even calculates the RPM of the pulley’s based on your inputs.

The website is simple and you can easily start using it. There is no prior registration required so you just reach its homepage and then enter details of the pulley dimensions. After specifying the input parameters, click on the “Calculate” button and then it will immediately calculate the belt length for you. Also, it will generate a pulley diagram as well based on your input values. The best part that I liked about it is that it validates your inputs first and then it proceeds to the result.

## V-Belt Length Calculator by Calculatoredge

V-Belt Length Calculator is yet another free website you can try out to calculate length of belt by entering 3 different parameters. It has a very simple interface and it is pretty straightforward one as well. Without any sign up, you just start using it and calculate length of belt on pulley in a few seconds. It takes distance between the centers of pulleys, diameter of the small and large pulley and then gives you length of v-belt.

Use the above link to use this pulley belt length calculator and then enter the input parameters. Specify the diameters along with the distance between the center of pulleys and then hit “Calculate” button. It will instantly give you the final result. Apart from just belt length calculator there are other tools on the website you can explore. You will different tools in under different categories listed on the homepage.

## Belt Length Calculator by Bolton

Pyrathane Belt Length Calculator is an extremely simple online pulley belt length calculator you can use. It offers you a very simple interface where you just enter the input parameters needed for calculating length of the belt and then you are done. You just enter the diameter of pulleys and along with the center distance and then get the length of the pulley in results quickly.

Access the actual calculator at the given link. After that, you can just enter details of the two pulleys and then get the result quickly. For the demonstration, there is a diagram of the pulleys system is given. Also, you can have a look at the formula that the calculator is using there. Apart from the belt length calculation, you can use other tools and calculators listed on the site.

### Final words

These are the best free online pulley belt length calculators that you can use. Use them to quickly find out the length of almost any type of belt using the two pulley system. I have also added a website in this list that have multiple methods of calculating length of the pulley. If you are in mechanical engineering field then you will find these tools very helpful. So, just give them a try and tell me what you think about them.

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