How to Find Your Sneaker Size Online — A Simple Guide to Getting the Right Fit

Shopping for sneakers online comes with one real risk: getting the wrong size. Knowing how to find your sneaker size online before you order can save you the hassle of returns and make the whole process much more straightforward. This guide covers everything from measuring your foot at home to understanding how sizing varies between major brands.

Why Getting Your Size Right Matters When Shopping Online

In a physical store, you can try on multiple pairs and walk around until something fits. Online, you only have numbers and descriptions. Getting the size wrong means waiting for a return, reordering, and losing the pair you wanted if inventory runs out in the meantime.

This matters even more when shopping clearance. Clearance stock is limited — once your size is gone, it may not come back. A returned pair might not be available in your size by the time the exchange processes. Getting it right the first time protects both your time and your access to the best deals.

The good news is that measuring your feet accurately takes about five minutes and gives you a reliable baseline for shopping any brand, in any category.

How to Measure Your Foot at Home

You don’t need any special equipment. Here’s a straightforward method:

1. Gather supplies: A piece of paper (larger than your foot), a pen or pencil, and a ruler or measuring tape.
2. Trace your foot: Place the paper on a hard floor. Stand on it with your full weight — not just resting your foot. Trace around the outside of your foot with the pen held straight up and down, not angled inward.
3. Measure the length: Draw a straight line from the tip of your longest toe to the back of your heel. Measure that line in inches or centimeters.
4. Measure the width: At the widest part of your foot (usually across the ball), draw a line and measure it.
5. Compare to a size chart: Most brand websites publish size charts that convert foot length in inches or centimeters to their shoe sizes.

A few important notes on this process: measure both feet, because it’s common for one foot to be slightly larger than the other. Always size for the larger foot. Measure at the end of the day when your feet are at their largest — feet swell slightly throughout the day, especially if you’re active.

Understanding Sneaker Size Charts

Sneaker size charts translate your foot measurement into a size number. In the US, adult men’s sizes typically range from 6 to 16, with women’s sizes running 5 to 13. These numbers correspond to specific foot lengths in inches or centimeters.

Most brand size charts look like this:

• US Men’s 9 = approximately 10.6 inches (27 cm) foot length
• US Women’s 8 = approximately 9.9 inches (25.1 cm) foot length

The key word in sneaker size guide conversations is “approximately.” Shoe lasts — the molds brands use to build shoes — vary between brands and even between models within the same brand. A size 9 in Nike is not identical to a size 9 in New Balance. That’s why knowing your actual foot measurement in inches or centimeters gives you a more reliable starting point than just knowing your size in one brand.

Men’s vs. Women’s Sizing — What You Need to Know

Men’s and women’s sneaker sizes in the US follow a consistent conversion: women’s sizes run about 1.5 to 2 sizes larger than men’s for the same foot length. A women’s size 8 is approximately a men’s size 6.5. A women’s size 10 is approximately a men’s size 8.5.

This becomes important when shopping unisex or men’s-labeled models. Many women’s shoe lines are simply men’s models with a women’s size label and sometimes a different colorway. If you’re a woman shopping a model that only comes in men’s sizes, subtract 1.5 to 2 from the men’s size to find your equivalent.

Width is another consideration. Women’s lasts are typically narrower than men’s. A woman with a wider foot shopping in a men’s style may find better fit by staying in her correct length size rather than going up in size to accommodate width. When in doubt, look for brands that offer width options — New Balance in particular offers A (narrow), D (standard women’s), B (standard men’s), 2E, and 4E widths for many models.

How Brand Sizing Varies (Nike, Adidas, New Balance, Puma)

Understanding how online sneaker sizing works across major brands saves you from common mistakes. Here’s a quick reference:

Nike

Nike generally runs true to size for most models, but some running models — especially those with a wide toe box like the Pegasus — can feel slightly roomy. If you’re between sizes, most Nike models work fine at your standard size. Nike Dunks and Air Force 1s often run large by about half a size due to their classic basketball shoe construction.

Adidas

Adidas sizing runs slightly small in some lifestyle models. Ultraboost wearers often go up half a size for a more comfortable fit. Stan Smiths and Superstars (vulcanized court shoes) tend to run true to size or slightly large. If you’re buying Adidas for the first time, going up half a size is a reasonable default.

New Balance

New Balance generally runs true to size in standard widths. Their wide-width options (2E, 4E) add volume without adding length, which is ideal if you have a wider foot. Some lifestyle models like the 574 run slightly narrow, so if you have a medium-to-wide foot, check the width options for that specific model.

Puma

Puma runs slightly small overall. Going up half a size from your standard sneaker size is a common recommendation across multiple Puma product lines. Their running and training shoes tend to fit more closely to true size than their lifestyle models.

Tips for Buying the Right Size on Clearance

Clearance shopping adds an extra layer of consideration to sizing. Since sizes on clearance are limited, here’s how to approach it:

• Know your brand-specific size before shopping. If you know you typically wear a Nike 10.5 and an Adidas 11, have those numbers ready when browsing.
• Check the fit notes for the specific model. Good clearance retailers will note when a model runs large or small. Read that information before ordering.
• Browse a range. If you’re a borderline size, check adjacent sizes. Sometimes a half size up or down is available when your exact size isn’t.
• Look at the return policy. Even with careful sizing, online shopping doesn’t always land perfectly. A clear return or exchange process gives you a safety net.

Shopping the best sneakers under $50 on clearance is one of the smartest ways to build out your shoe collection — but only if the size is right. Take the extra few minutes to measure and compare before you order.

You can browse a wide selection of authentic brand-name clearance sneakers across all sizes with free nationwide shipping, which makes it easier to find your size and get the right fit without paying extra for delivery.

Q&A

How do I measure my foot at home?

Place a piece of paper on a hard floor, stand on it with your full weight, and trace around your foot. Measure the distance from the back of your heel to the tip of your longest toe. That measurement in inches or centimeters corresponds to a specific shoe size on any brand’s size chart. Measure both feet and size for the larger one, and always measure at the end of the day when feet are at their largest.

Do sneaker sizes vary by brand?

Yes, significantly. Nike Dunks and Air Force 1s typically run half a size large. Adidas lifestyle models often run small — going up half a size is common. New Balance runs true to size in standard widths. Puma generally runs small across most lines. Always check brand-specific sizing notes before ordering, especially for a brand you haven’t worn before.

Should I size up or down for sneakers?

It depends on the brand and model, but a general rule is to size up if you’re between sizes or if the model is known to run small (Adidas, Puma). Size down if the model is known to run large (Nike Dunks, Converse Chuck Taylors). The safest approach is to know your actual foot measurement in inches and compare it directly to the brand’s size chart rather than relying on your size in another brand.

How are men’s and women’s sneaker sizes different?

Women’s sizes run approximately 1.5 to 2 sizes larger than men’s for the same foot length. A women’s 8 is roughly equivalent to a men’s 6.5. When shopping unisex or men’s-labeled models, women should subtract 1.5 to 2 from their women’s size to find their men’s equivalent. Width also differs — women’s lasts are typically narrower, so women with wider feet may want to seek out brands with explicit width options.

What if my clearance size sells out?

Clearance inventory is limited and doesn’t typically restock once a size sells out. If the exact size is gone, check adjacent half sizes — in some models, a half size up or down will still fit well. Also check if a similar model in the same brand is available in your size. Acting quickly when you see your size is the best strategy; clearance deals don’t stay available for long.