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While shoe shopping is best done in person, you can often save time and money by looking for new footwear online. Since you can’t physically touch or examine a shoe from a digital store listing, examine your own feet to get an idea of how long, wide, and arched they are. When you have a better idea of your foot’s physical size and shape, you can select a shoe size that will provide a more comfortable fit for you!

Part 1
Part 1 of 2:

Checking Your Foot Shape and Size

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  1. Take a sheet of printer paper and place it on the floor, or another flat area. Check that your foot can fit within the parameters of the paper—if not, select a larger sheet. Arrange the sheet in a safe, indoor area, where you won’t be at any risk of slipping.[1]
    • To provide a more sturdy measuring surface, consider laying your printer paper flush against the wall.[2]
  2. Remove any socks, tights, or stockings, then place your foot on top of the paper. Check that your foot isn’t trailing off the page, and that there’s enough room to trace around the perimeter.[3]
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  3. Try to keep your sketch as close to the edge of your foot as possible, so the drawing can be accurate. If you find it difficult to trace around your entire foot at once, try working in sections.[4]
    • Consider asking a friend or family member to help you with this, as they might be able to get a more accurate sketch.
    • Depending on your foot, your tallest toe might be your big toe, or it might be the toe right next to your big toe! Double-check your sketch to ensure that it’s correct before you continue.
  4. Set a new piece of paper down on a flat surface, then place your foot in the center of the sheet. Once again, use a pencil to trace around the perimeter, keeping the sketch along the edge of your foot. When you’ve finished tracing, set the piece of paper aside along with your original sketch.
    • Taking 2 measurements helps you to see if your foot sizes are even or disproportionate.
  5. Center a ruler or measuring tape along the heel portion of the drawing, making sure the measuring tool is going through the center of the sketch. Measure to the top of your tallest toe, then check to see what the ruler or measuring tape says. Repeat this process with both sketches to get an accurate idea of your shoe size.[5]
    • It may help to jot down the exact measurements on a separate piece of paper.
  6. Search online to find an accurate shoe size chart for your country or region. Find your foot measurements on the chart to see which size grouping you fit into. If your feet are 2 different sizes, be sure to compare both measurements against the chart.[6]
  7. Take a ruler or measuring tape and lay it horizontally across the sketch of your foot. Align the measuring tool so it spans across the 2 widest parts of your feet, which will give you a more accurate result. Jot down the exact measurement, then search online to compare your results to a width sizing chart.[7]
    • The widest parts of your feet are directly beneath your big toe and piggy toe.
    • The width of your feet is proportionate to the overall size. For instance, if your feet are a size 7 and 3.8 in (9.7 cm) wide, you could classify them as wide. However, if your feet are a size 10, then your feet would be considered to have an average width.
    • Check the charts on this site to see how wide or narrow your feet are: http://www.sizecharter.com/clothing-fit-and-measurement/understanding-shoe-sizing.
  8. Place your foot in a bucket of cool water, then step on a piece of cardboard. Remove your foot from the sheet, then examine the imprint that’s leftover. If you can see most of your foot, you likely have low arches. If half of your foot isn’t visible in the imprint, you have high arches.[8]
    • If you can see about ⅔ of your foot in the imprint, you likely have normal arches.

    Did you know? While arches don’t influence the size of your foot, they do influence the types of shoes that you’re able to wear comfortably. If you have a flat arch, you’re better off shopping for shoes with sturdy midsoles. If you have a high arch, you should look for footwear that provides extra cushioning.[9]

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Part 2
Part 2 of 2:

Evaluating the Shoe Listing

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  1. [10] Before looking for a specific type of shoe, search the website for a sizing chart that pertains to the brand. While most charts will be similar, note that some brands might offer different sizing recommendations. Find your own shoe measurements on the chart to get an idea of what shoe size would fit you best.[11]
    • Many websites allow you to narrow your search parameters by shoe size. See if this option is available to you as you browse!
  2. [12] Note that synthetic shoes tend to include materials like spandex, acrylic, polyester, nylon, or acetate, which indicates that the shoe is more flexible and breathable. Be cautious when shopping for shoes made out of heavier materials like leather, which may feel rigid around your feet with long-term use.[13]
  3. Check the bottom of the listing for any manufacturer notes or guidelines that may be important to consider. Depending on the shoe model or brand, some footwear may run consistently small, narrow, or large. With this in mind, try to factor in this advice whenever you purchase a pair of shoes online.[14]
    • For instance, if a listing for hiking boots states that the shoes tend to run large, purchase a pair that’s a half or whole size smaller than your usual size.
  4. [15] Aside from the company’s personal recommendations, see if other customers enjoyed wearing the shoes that they purchased. If previous customers weren’t satisfied with their purchases, look for keywords in the review that indicate why. You might be able to gain some valuable insights into how well the shoe fits, and if you need to buy it in a larger or smaller size.[16]
  5. If you’re looking for pointed footwear, like flats, dress shoes or heels, check the size listing to see what your options are. While it may seem practical to purchase shoes in your exact size, you may be setting yourself up for cramping and pinching. Instead, purchase the shoes in a ½ or whole size larger.
    • For instance, if you’re looking to buy a pair of pointed heels but have size 6 feet, opt for a size 6½ or 7 shoe instead.
  6. Use caution when purchasing boots, sandals, or other footwear used during especially warm or cold temperatures. Note that some feet tend to swell in hotter weather, which can make your normal shoe size seem tight and uncomfortable. In cold weather, tight shoes tend to make your feet feel colder. While keeping this in mind, order your seasonal footwear in a ½ or whole size larger than you usually would buy.
    • For instance, if you’re a size 10, purchase a pair of winter boots in a size 10½ or 11.
  7. Unfortunately, the vast majority of online shops don’t give you an option to buy 2 differently sized shoes as a pair. If your feet are uneven, use the measurement of your longer foot when investing in a new set of shoes online.[17]
    • For example, if your left foot is a size 8.5 and your right foot is a size 9, purchase shoes that are a size 9.
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Expert Q&A

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  • Question
    How do I know what size shoe to buy online?
    Alice Wu
    Alice Wu
    Image Consultant
    Alice Wu is an Image Consultant and Personal Stylist based in San Francisco, California. She is the Owner of Styled by Alice, an image consulting service offering private styling services for men and women. Focused on personalizing the styling experience, Alice provides closet edits, personal shopping, wardrobe planning, and other services such as event styling.
    Alice Wu
    Image Consultant
    Expert Answer
    Check the shoe size chart on the website to determine which size will fit you best. You can also take a look at the reviews for the shoes you're buying to determine if they run small or large. Then, you can adjust your size accordingly. If you're buying heels or sneakers, size up a half size, since your feet may swell a bit during the day.
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Tips

  • Check the store’s site to see if they have a fair return policy. If you can’t return the shoes after trying them on, you may want to take your business elsewhere.


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Things You’ll Need

  • Paper
  • Pencil
  • Ruler or measuring tape
  • Water
  • Cardboard sheet

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  1. Alice Wu. Image Consultant. Expert Interview. 12 June 2020.
  2. https://www.converse.com/size-chart-guide?id=men-shoes
  3. Alice Wu. Image Consultant. Expert Interview. 12 June 2020.
  4. https://comfortingfootwear.com/leather-vs-synthetic-which-is-the-best-material-for-comfortable-work-shoes/
  5. Alice Wu. Image Consultant. Expert Interview. 12 June 2020.
  6. Alice Wu. Image Consultant. Expert Interview. 12 June 2020.
  7. https://www.emarketer.com/content/surprise-most-consumers-look-at-reviews-before-a-purchase
  8. https://www.pedorthic.ca/feet-two-different-sizes/

About This Article

Alice Wu
Co-authored by:
Image Consultant
This article was co-authored by Alice Wu and by wikiHow staff writer, Janice Tieperman. Alice Wu is an Image Consultant and Personal Stylist based in San Francisco, California. She is the Owner of Styled by Alice, an image consulting service offering private styling services for men and women. Focused on personalizing the styling experience, Alice provides closet edits, personal shopping, wardrobe planning, and other services such as event styling. This article has been viewed 97,972 times.
11 votes - 82%
Co-authors: 9
Updated: May 28, 2024
Views: 97,972
Article SummaryX

To choose the right shoe size when you’re shopping for shoes online, measure one of your feet first so you can determine what size you are. Just place your bare foot on a sheet of paper and trace around it with a pencil. Then, use a ruler to measure from the heel to the tip of your longest toe. Compare your measurement to the shoe sizing chart provided on the store’s website to determine what size you are. It’s also a good idea to check out reviews for the shoes you’re looking at if there are any. You may find information about whether the shoes run big or small or are true to size. For more online shoe shopping tips, check out the full article!

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Thanks to all authors for creating a page that has been read 97,972 times.

Reader Success Stories

  • Keith Peppten

    Keith Peppten

    Oct 11, 2022

    "I have looked everywhere for this info since my feet are now 2 different sizes since aging so thanks! Will share..." more
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