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Roll Length Calculator. I recently created a useful spreadsheet in Excel, and I'd love to share it with you peeps It is a tool for determining how much material is left on a roll. The spreadsheet allows you to enter the thickness of the material in hundredths of an inch [mil] ; the diameter of the core in inches ; and the outer diameter of the roll in inches and it will display how many feet of a material if the entire roll were to be unrolled are left on the roll.

I have a couple of other functionalities I added but that's the basic concept. I'm no mathematician, but I kind of made up how this would be calculated - and I found one or two websites which calculate this as well, and the numbers matched.

How would I upload this sheet for people to use? Can anyone recommend a good free FTP site I can do it on? Some videos you may like. Excel Facts. Click here to reveal answer. Pressing F4 adds dollar signs when editing a formula. When not editing, F4 repeats last command. Here's the link. I made a dumbed-down version, pretty easy if anyone is interested.

PlasticGuy New Member. Joined Oct 24, Messages 9. Thanks for this link. You must log in or register to reply here. Watch MrExcel Video. Forum statistics Threads 1, Messages 5, MembersLatest member alivig This Week's Hot Topics Anyone up for taking a look at my spreadsheet?

Started by thewiseguy Sep 29, Replies: Formula to extract unique values as a horizontal list Started by willow Sep 30, Replies: Clear contents based on date Started by deemer98 Sep 29, Replies: If you are an experienced thermal paper buyer, you know that different paper grades have different lengths for the same paper roll size.

For example, for 80mm x 80mm paper rollour most popular paper size, can be anywhere from 55 to 83 meters long! Thicker materials tend to be more durable and are perceived by customers as of higher quality. However, the thicker the material, the less paper per roll, resulting in fewer receipts that can be printed, which means you have to change the paper roll frequently in your printer.

Therefore, thickness and length are 2 key factors you should consider when you buy the paper rolls for your application. In this article, we will show you how to measure the paper thickness and how to calculate the paper roll length.

### LEN Excel Function (Length)

The best way to measure the paper thickness would be with a Micrometer, which comes in a few styles. This will give you an average of a few location points and you will not capture a high or low spot.

We can use the ruler to measure the paper roll width, diameter, core size:. This means if we know the paper roll diameter, core size and paper thickness, we can get the paper length. S: The paper roll length has no relationship with the paper width, no matter it is an 80mm width or 57mm width paper. For 80mm x 70mm x 13mm 60gsm thermal paper, the paper diameter B is 70mm, the core size C is 13mm x 17mm, the 60gsm paper thickness T is 80um.

For 57mm x 40mm x 13mm 55gsm credit card paper rolls, the paper diameter B is 40mm, the core size C is 13mm x 17mm, the 55gsm paper thickness T is 60um. The longer paper will be more cost-effective for you. Always consider the thickness and length factors when buying paper rolls to make sure you are getting what you pay for! I was trying to help my daughter with a project for school, and she needed a certain length of plastic film from a roll.

You can ask this data from your paper supplier or measure it with the gauge. Hello Mahendra, you can send an email to support pandapaperroll. Previous Next. S: The paper roll length has no relationship with the paper width, no matter it is an 80mm width or 57mm width paper Example 1: For 80mm x 70mm x 13mm 60gsm thermal paper, the paper diameter B is 70mm, the core size C is 13mm x 17mm, the 60gsm paper thickness T is 80um. Example 2: For 57mm x 40mm x 13mm 55gsm credit card paper rolls, the paper diameter B is 40mm, the core size C is 13mm x 17mm, the 55gsm paper thickness T is 60um.

Download the paper roll length calculating tool get it now. Related Posts.

## How to Calculate Thermal Paper Roll Length?

Notify of. Oldest Newest Most Voted. Inline Feedbacks.Avery Dennison LPM works with converters all around the world. Often, it takes deep collaboration to find the right label solution for a brand owner, depending on their application needs, supply logistics, budget and a host of other factors. And be sure to download our Case Studies or click through to our Education section to learn new information about adhesive constructions and film compositions.

No more guessing! Quickly find the length of a roll by using this convenient roll length calculator. Use this convenient calculator to determine the percentage of increase in roll lengths. When using thinner caliper liners, the additional roll length can increase productivity. Plus, there is potential for additional savings when factoring in packaging and transportation costs.

Roll Calculators. Select Units:. Roll Length Calculator. Enter the three values needed below and click on "Calculate" to obtain the length of your roll. Roll Outside Diameter. Core Outer Diameter. Material Thickness. Estimated Roll Length. Clear All Values. Roll Diameter Calculator. Quickly find the size of a roll by using this convenient roll diameter calculator. Enter the values needed below and click on "Calculate" to obtain the diameter of your roll.

Core Diameter O. Roll Length.LEN Function in Excel can be used to count the number of characters in a text string and able to count letters, numbers, special characters, non-printable characters, and all spaces from an excel cell.

**Conveyor belt roll length Calculation--How to calculate length of belt roll--Rolled conveyor length**

In this LEN example, we are calculating the length of the given string or text in column 1 and apply the LEN function in column 2 and it will calculate the length of the Names provided in column 1 as shown in the below table. We can use the LEN function Excel to count characters in excel excluding leading and trailing spaces. We can use the LEN function to count the number of characters in a cell excluding all spaces.

## Roll Calculators

To achieve this we can use the substitute and LEN formula combination to achieve this. This has been a guide to LEN in Excel. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy.

Free Excel Course. Login details for this Free course will be emailed to you. Forgot Password? Compulsory Parameter:. Popular Course in this category. View Course. Book Your Free Class Name:. Email ID. Contact No. Please select the batch.Knowing the length of a roll just by measuring its diameter can be useful in many situations, since many everyday objects are in rolled form, like tapes, paper, plastic films, and so on.

There are two ways of calculating the length of roll mathematically speaking a "spiral"an exact and complex formula derived from integral calculation and an approximate and simpler formula derived from the sum of circumferences of concentric circles. The approximate formula is enough in many situations as long as the thickness of the tape is small compared to the diameter of the roll. The following calculator will simplify the math and will do the calculations for you with the exact or the simplified formula :.

Now let's have a look on how these formulas are deduces. To keep things simple, let's consider the spiral as a series of concentric circles one per turn where the radius increases by the thickness of the tape every turn. The error will be small if the thickness is small compared to the minor diameter of the roll. Let D 0 be the inner diameter of the roll the diameter of the coreD 1 the outer diameter of the roll, h the thickness of the tape and N the number of turns.

We look for the length of the tape L. First, the number of turns is easy to compute, since it's just the difference of the two radii divided by the thickness of the tape or, in terms of diameter:. The total length of the tape is therefore:.

The length L can therefore be expressed as:. Now, if we want to do the reverse operation, meaning to calculate D 1 as a function of Lwe just need to invert this equation 2 nd degree in N and we get:.

To calculate the exact length of the spiral, we write the equation of the curve in polar coordinates:. Now, the things are more complicated.

After a full page of algebra we get the exact length:. Inverting this function is not easy, and in this application a numerical approximation the Newton's method is used. This method start with an approximation or a guess of the solution zero of a function and iteratively refines it by finding the intercept point on the abscise axis of its tangent line.

Since this point is a better approximation, so the process can be repeated until the desired precision is achieved. And we can iterate the above equation until the desired precision is achieved. The calculator in this page tries to reach as much precision as it can be stored in a regular JavaScript floating point variable, so that no error can be remarked.

Usually a few iterations are enough. We find:. The advantage of the approximate formula is that it uses only basic operations and can be easily computed even by hand on a simple pocket calculator. The exact formula uses a lot more math, needs at least a good scientific calculator, is long to do by hand and has little gain on precision.

On the other hand, on a computer or a smart-phone, there is enough CPU power for this JavaScript calculator to consider the exact formula as a better option.If you know the outer diameter of the roll and the core on which paper is wound and the thickness of the paper, you can calculate the length of paper using following equations.

Open an Excel Sheet to calculate paper length. Please note that these equations assume that there is no air gap between adjacent paper layers hence this formulae should not be used for tissue and some other bulky paper rolls. Actual length may be less than the calculated length. If you know the net weight Total weight - Core weight of the roll and the Basis weight of the paper, you can calculate the length of paper using following equations. Easiest way is to convert lbs weight in to Basis weight or GSM.

To use the Weight Conversion tool, please select a Type of Paper from the pull down menu, then enter a value in pounds and hit calculate. Various Calculator available to calculate length of paper in a roll. If you know the outer diameter of the roll and the core on which paper is wound and the thickness of the paper and basis weight, you can calculate the weight of paper on roll using following equations. Open an Excel Sheet to calculate paper weight.Huge depth in Galway hurling as only one champion plays club hurling semi-finals Its barely a month and a half since David Burke lifted the.

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DeGale is the huge favourite and this is merely a tune up fight as he awaits a super fight against either Chris Eubank Jr or George Groves. But the Welshman will want to put on a show regardless as he is set to defend his title against the Leeds Warrior Josh Warrington. It will be broadcast live on BT Sport and BoxNation.

Also on the undercard are WBO European Lightweight Champion Craig Evans and rising talents Archie Sharp, Sanjeev Sahota, Ben Smith, Hamza Sheeraz, Umar Sadiq and debutant Harvey Horn.

We have broken down both fights and provided our betting tips and odds with Sun Bets. Although West Ham will see this a potential turning point of the season if they can get a result over the current champions at home. TWO points from their last six games does not suggest the Hammers are about to upset Chelsea. His side did almost snatch a point at Manchester City but in the end it was still four defeats in five.

Chelsea were frustrated in the Champions League in midweek. They have still won eight of their last 11 in all competitions, however, and the Hammers are no Atletico Madrid. FORECAST: 0-21 Register for Sun Bets hereANTONIO CONTE is expected to name an unchanged side following an impressive performance in the Premier League on Saturday. We use the the previous matches trend and calculate the next game result. Most of our prediction goes through and therefore proving to team players and coaches not to under extimate our prediction and rather improve and add more tactics in the game to beat previous result we depend on.

We never favour any side in our prediction but we rely on past matches like goal scored, away win, loose or current injuries etc. This app should NOT be use in any betting or any related gambling.

This app maybe used to give advice n challenge the team to put extra efforts to win the match. World best team and predictions!!.

I am glad to see that app. Singles 2 and more - normal, but doubles and bets on totals over 1,5 (4 and more) just great!!. Nice and cool You are best. Xbet opened the Rockets as 6-point road favorites with a total of 209.

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