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How to Find Your Sunglasses Size: Step By Step (with Pictures)

Who said that size doesn't matter? No one wants a small cup of coffee, nor to wear a pair of sunglasses that are too small or too big.

Let's find out how to measure your sunglasses frames size.

Btw, if you aren't sure how to choose the right sunglasses, read this article!

1st tip: Learn how to read sunglasses measurements

Before you write down those numbers, you need to know what you are reading, right? That is things like how to measure glasses temple arm length

Inside the arm of the sunglasses, you'll find some numbers that look like this: 51–19–144

Those measurements translate as:

  • Lens width (e.g 51 mm): Lens width is the horizontal diameter of the lens at its widest point. In optometry, another term used for that is “eye size”.
  • Bridge width (e.g 19 mm): Bridge width is the part that joins the two lenses and sits over the nose. Some refer to this as the “gap”. The bridge width varies between 14 and 24 millimetres.
  • Temple length (e.g 144 mm): The temple is the “arm” that keeps the sunglasses on your face. That “arm” extends to the part that hangs on the ear. The length is usually 135, 140 or 145 millimetres.
  • Lens height: Lens height measures the size of the lens vertically, that is from the top to the bottom of the lens. Although sizes may differ depending on the brand, the standard size is somewhere between 32 and 38 millimetres.
how to read sunglasses measurements - what is lens width, bridge width and temple lenght

2nd tip: Check a pair of old sunglasses

It would be ideal to use a pair of old sunglasses that you liked and fit your face perfectly or even try on a pair from a friend, in order to see if it fits you.

If you look closely at the inscriptions on its frames, you will see some digits that will guide you to a new pair as good as the one you had before.

Pay attention though, cause each pair of sunglasses is different, depending on the manufacturer.

Most often, you'll find the size information on the inside of the left temple.

how to read sunglasses measurements - check a pair of old sunglasses

Confused? Look at the 1st tip.


3rd tip: Measure sunglasses size with a ruler

If you haven't found any specification on your old sunglasses, don't panic. Better get ready to show your talent in measurements.

Take a ruler or a meter and start to carefully measure the size of the glasses for your face, following the guide above.

Because we don’t want to confuse you with numbers, on our website, we have marked the respective numbers as S, M and L sizes.

how to read sunglasses measurements - Measure sunglasses size with a ruler


Once you have the correct measurements, just head over at the sunglasses section and add them in the cart.


4th tip: Use a credit card

Use a credit card. Yes, it's a different use of your card, apart from paying your favourite shopping, but it works. Did you know that the size of a credit card in height is approximately the same as the width of a medium size lens?

The size of most credit cards is 85.60 mm × 53.98 mm (3 3⁄8 × ​2 1⁄8 inches)
Source: https://en.wikipedia.org/…/Credit_card


Here's how to measure with a credit card:

how to read sunglasses measurements - Measure sunglasses size with a credit card

  • Take any credit or debit card at hand (they are the same size anyway).
  • Stand in front of a mirror or place your phone somewhere steady with the selfie camera looking at you and place the credit card on the bridge of your nose and under your eyebrow.
  • If the edge of the card extends further than the edge of your eye, you are a small size (size: S)
  • If the edge of the card ends at the outer edge of your eye, you are medium size (size: M)
  • If the edge of the card ends before the outer edge of your eye, you are a large size (size: L)

You made it – how cool was that?

Give yourself a pat on the back, us a thumbs up & let us know your thoughts in the comment section below :)

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