Do you have a pair of sunglasses that you love but find a little too tight? Or maybe you have lost weight, and your old shades no longer fit? In either case, it is important to know how to measure sunglasses size so you can find a pair that fits you perfectly.
In this blog post, we will discuss everything you need to know about how to measure sunglasses size as well as different types of sunglasses. We will also provide some tips on finding the right size for your face shape so you can choose the perfect option from our collection of men’s wooden sunglasses. Inspired by California’s sun-soaked lifestyle, Treehut designs each pair to feel comfortable, look great, and last through every adventure.
Read More: How to Choose Sunglasses for Men
How to Measure Face for Sunglasses

When shopping for sunglasses, it is important to find a pair that fits well. But how do you know what size to buy? Here is everything you need to know about how to measure face for sunglasses.
Start by holding a ruler or tape measure up to your face. Then, measure from the center of your forehead to the end of your nose. Next, measure from the bridge of your nose to the point where your ear and jaw meet. Finally, measure the width of your face from temple to temple.
Once you have your measurements, you can use a size guide to find the right pair of shades. The sizes are typically listed in millimeters (mm), so be sure to convert your measurements if necessary. Keep in mind that sunglasses sizes can vary depending on the style and brand of glasses. So, it is always best to try on a pair before making a purchase. This will ensure that you find a pair that looks and feels good on you.
Sunglasses Size Guide
Many people have a difficult time finding sunglasses that fit them well, as most pairs are designed for average-sized heads – which obviously does not apply to everyone. If you’ve been wondering “What size sunglasses do I need?” and struggling to find a pair that truly fits, then this guide is for you.
Frame Size |
Face Size (Temple to Temple) |
49mm |
115mm (or 4.5”) |
52mm |
127mm (or 5”) |
54mm |
130mm (or 5.125”) |
55mm |
135mm (or 5.25”) |
57mm |
140mm (or 5.5”) |
58mm |
146mm (or 5.75”) |
61mm |
152mm (or 6”) |
How to Know My Sunglasses Size
When it comes to sunglasses, size does matter. The right pair of shades will not only protect your eyes from harmful UV rays but also complement your face shape. But how to measure sunglasses size?
There are a few things to keep in mind when choosing the right sunglasses. First, you need to know how to measure your face. Second, consider the different styles of sunglasses and how they will fit your features. Lastly, take the lens type into account, as well as how it will affect the overall look of the glasses. Now that we have gone over the basics, let’s get into more detail on how to measure sunglasses size.
There are two main ways to measure this: by lens width or frame width. Lens width is the measurement from one side of the lens to the other. To determine the lens width, simply hold the glasses up to your face and measure from temple to temple. Frame width, on the other hand, is the distance between the two hinges on the glasses. To measure it, open the glasses and measure from hinge to hinge.
What to Keep in Mind Before Choosing Sunglasses

Once you understand how to measure sunglasses size, you can start looking for your new shades. However, there are a few factors to consider when choosing the right pair. First, think about your face shape. If you have a round face, look for sunglasses that have a square or rectangular shape. For an oval face, opt for shades that are wider than they are tall. If you have a heart-shaped face, choose sunglasses that are wider at the bottom.
Next, consider the lens type. If you are looking for sunglasses that provide 100% UV protection, make sure to select lenses made of polycarbonate or glass. These materials offer the best protection from the sun’s harmful rays. Polarized lenses also help reduce glare and improve clarity.
When it comes to sunglasses, you can easily find options to fit any budget. Whether you are searching for designer shades or something more affordable, there is a perfect pair out there for you.
Read More: How to Remove Scratches From Sunglasses: A Quick and Easy Guide
Your California-Fit Awaits
Now that you know how to measure sunglasses size and what to keep in mind when choosing a pair of shades, it’s time to start shopping! From bold designs to more classic options, Treehut’s collection has something for everyone.
Rooted in California’s love for sun, sea, and open roads, each pair is thoughtfully handcrafted from sustainable materials to feel natural, durable, and stylish. Whether you’re chasing golden-hour light along the coast, wandering redwood trails, or savoring slow weekends in the city, Treehut sunglasses capture that easygoing California spirit – adventurous, laid-back, and made to last. And with personalization available, your shades can carry a message as meaningful as the moments you’ll make in them.
Find your perfect fit – and let the adventure begin.