How to Measure Glasses Frame Size?



When it comes to purchasing eyeglasses online, getting your hands on the proper frame size is the most important thing. Here you will find all steps regarding the process about How to Measure Glasses Frame Size at home. We designed a user-friendly manual in the hopes of making the procedure of glasses measurements more efficient and less complicated. When searching for the frame dimensions of your eyeglasses or sunglasses, there are a few things you really must know.


Getting a new pair of eyeglasses may be a simple process, particularly when done so via an internet retailer. You must, however, be aware of the significance of understanding the correct dimensions and size of your eyeglasses in order to ensure that they fit your face properly and are both comfortable and attractive to others. Because you will be wearing your eyeglasses for the most of the day, it is critical that you choose sizes that are comfortable for you. Your glasses should not only look nice but also feel good. Try to choose frames that are neither too hefty nor too little; they shouldn’t press on the bridge of your nose or the tops of your ears. In addition, you probably don’t want to compromise comfort for the sake of design, which is why you should look for a frame type that complements your face shape and has good functionality.



You need to know how to measure glasses frame size in order to have a proper fit, regardless of whether you are looking for the finest eyeglasses for everyday use or for more informal occasions. Let’s have a look at the different measures that you need to take in order to locate the ideal pair of eyeglasses for you.



If you have an old pair of glasses that still fit well, then you are already well on your way to achieving your goal! If you examine the section of the arm pieces that is located inside, you will see that there are a series of numerals that are broken up by dashes and squares. If you are unable to locate the numbers on the arm, you will most likely find them on the bridge of the frames.

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Let me explain that How to Measure Glasses / Sunglasses Frame Size Accurately:

The first number denotes the width of the lens, which may range anywhere from 40 to 60 millimetres. An symbol in the shape of a square will appear after this measurement.

The width of the bridge will be between 14 and 24 millimetres, and it will be indicated by the second number.

The third figure refers to the length of the temple, which is most likely between between 120 and 50 millimetres. In most cases, this measurement will finish in either zero or five.

The measurements will often culminate with three units; in the event that you discover four units, the most recent value will typically fall between between 32 and 38 millimetres.

How to Measure Glasses Frame Size girl with glass


The distance from one side of the lens to the other is measured in millimetres to determine its breadth. This is sometimes referred to as the size of the eye. This measurement is essential because it guarantees that your eyeglasses will have a flawless fit once they are placed on your face. It is imperative that you use a metric tape measure for determining the size of the lens, and that you measure the lens itself rather than the frame.



When determining the width of the bridge, the distance between the two lenses is taken into consideration. This indicates that you need to begin each measurement from the most central location of each lens. Once you have determined the correct bridge proportions for your eyeglasses or sunglasses, they will fit firmly on your nose without falling off, and they will not fog up.


Calculating the length of the Temples:

The temple length is a measurement that indicates how long the arm components of the spectacles are. It refers to the space that exists between the point at where the arms bend and where they meet the frame. The length ranges anywhere from 120 to 150 millimetres, on average. The measurements 130, 140, and 150 millimetres are often used as industrial standards. If you find that you are suffering from headaches on a regular basis, it is possible that the arms of your eyeglasses are too tight and that they are not fitting properly behind your ears. It is not a problem if the lengths of the arms are slightly off from one another since you can modify them. It’s possible that the measurements of the temple length won’t always finish in either five or zero.

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HOW TO MEASURE THE LENS HEIGHT for Your Glasses Measurements?

How to Measure Glasses Frame Size accurately at home? Measuring the lens height is the most important step in this regard. The distance between the highest point of the frame and the lowest point of the lens is referred to as the lens height. When trying to determine the dimensions for bifocals or any other kind of progressive lens, this value, which is dependent on the design of the frame, might be of critical importance. If you desire any kind of progressive lens, in the end, the only thing you will need to worry about is the lens height. Make sure that the bottom of your frames does not irritate your cheeks in any way.


The breadth of the frame is another straightforward quantity that must be taken into consideration. This is the distance between the ends of the frame, including any hinges that may be present. This measurement will come in extremely helpful, as it will assist you in determining whether or not the frames are an appropriate width. The pupillary distance provides another another method for determining the breadth of the frame. If you are seeking for progressive lenses, calling this number will be of assistance to you, and it will also prevent eye strain.


A Few Useful Points Regarding the process about How to Measure Glasses Frame Size by Yourself:

Finding the Ideal Measurement for the Frame’s Width


If you choose a frame that is too narrow, it will make your face seem bigger, and if you choose a frame that is too wide, it will make your face appear narrower. When searching for glasses with a good fit, this is one of the most crucial aspects to take into consideration. Find a frame that is just a little bit broader than your face; there should be no more than the width of a finger between the temple and your face. If they go any broader, it’s a warning that your frames are too wide.


There is no indication of this dimension anywhere on the temple of your glasses. In order to locate it, take out your measuring tape and run it horizontally over the front of your frames, being care to account for any hinges or design elements that protrude from the sides.

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Length of the Temple

The measurement of the “arms” of the frame, expressed in millimetres, is referred to as the temple length. This measurement varies far less than the others do on average. The most typical choices are 135 millimetres, 140 millimetres, 145 millimetres, and 150 millimetres. The temple should rest comfortably around the outside of your ear and fit horizontally and evenly along your face as it goes from your temple to your ear.


How to Determine the Appropriate Height and Width of the Lens for Glasses Measurements

To assist you in selecting the lens size that is most appropriate for you, you should be aware that the width of a small lens is less than 50 millimetres, the width of a medium lens is between 51 and 54 millimetres, and the width of a large lens is more than 55 millimetres.


It is important to ensure that your eyes are focused inside your lenses. If your eyeglass frames are too broad, your eyes will seem as if they are too close together, whilst frames that are too narrow will give the appearance that your eyes are more widely spaced apart.


Finding the Perfect Measurement for the Bridge’s Breadth

The width of the bridge of a frame is equal to the distance between its two lenses. The bridge ought to rest pleasantly and flushly on the tip of your nose. If you desire a thin bridge or have eyes that are situated close together, you should make this value smaller. This amount should be increased if you have eyes that are situated far apart or if you want a bridge that is broad.


The position of your nose is one factor that may be considered when choosing a frame design that will complement your facial features. If your nose sits higher than average on your face, you should choose eyeglasses with a bridge that is aligned horizontally with the brow line of the frame. If your nose is set a little bit lower on your face, a frame that has a lower bridge and a curved brow line will complement your features more than one with a higher bridge.