How to Measure Your Shoe Size for a Proper Fit

The best way to measure your shoe size and find shoes that fit

Co-authored by Alice Wu and Hannah Madden

Last Updated: January 9, 2024 References

If you’re on your feet a lot, you probably know just how important finding the right size and shape of a pair of shoes is. However, finding shoes that fit you perfectly can be a challenge, and often involves trying on multiple pairs of shoes and deciding based on trial and error. To find shoes that fit your feet well, have your feet measured before you try on any shoes, walk in the shoes before you buy them, and buy based on how your shoes fit, not what size they are.

Method 1

Method 1 of 2:

Measuring Your Shoe Size

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1
Place your bare foot on a blank sheet of paper. Set a standard-sized sheet of paper down onto a hardwood or concrete floor. Take off your shoes and socks and put your bare foot in the middle of the sheet of paper. Make sure your foot is flat.^{[1]
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- If you have carpet at home, place a piece of cardboard underneath your sheet of paper to make sure it is flat.
2
Have a friend trace around your foot with a marker. It's easiest to have someone else do this for you so you can stand how you normally would with your weight spread throughout both feet. Ask a friend or a family member to trace your foot with a dark marker. Make sure they keep the tracing lines as close to your foot as possible. Ask the person tracing to trace each detail of your foot, including in between your toes.^{[2]
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- If you are worried about getting marks on your feet, use a washable marker.
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3
Measure the tracing from toe to heel. Set a ruler on your tracing and note the distance between your longest toe and the back of your heel. Write down the number in inches on a piece of paper to bring with you to the shoe store.^{[3]
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- For American measurements, the length of your foot in inches determines your shoe size.
4
Use a ruler to measure the widest part of your foot. Place your ruler widthwise on the widest part of the tracing. Most often, this is the area just underneath of the toes by the ball of your foot. Note the measurement in inches to look for shoes that are wide enough to fit your feet.^{[4]
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- Width measurements are not often on a shoe box. Ask the salesperson to look for shoes with your size width.
Feet fluctuate in size throughout the years, even if you are done growing. If it’s been a couple of years since you’ve had your feet measured, head to a shoe store that provides that service. This will give you an exact number and size to base your next pair of shoes on.

Tip: Children should have their feet measured every time they buy new shoes since their feet are constantly growing.

Method 2

Method 2 of 2:

Buying Shoes that Fit

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1
Wear socks that you will wear with your shoes to try them on. Some socks are thicker than others, and they can make your shoes feel bigger or smaller if they aren’t the type of sock you’ll be wearing with your shoes after you buy them. If you are trying on running shoes, wear a pair of athletic socks to the shoe store. If you are buying dress shoes, put on some dress socks before you go. If you are trying on heels or flats that you wouldn’t wear socks with, try them on with the thin socks provided at the shoe store to mimic your bare foot.^{[5]
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Harvard Medical School
Harvard Medical School's Educational Site for the Public

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- You should never try on shoes without socks on.
2
Shop in the evening so your feet are swollen.^{[6]
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Expert Source

Penny Simmons
Shoe Care Specialist

Expert Interview. 19 November 2020.} As you walk around throughout the day, your feet naturally swell up just slightly from the pressure of standing on them.^{[7]
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Expert Source

Alice Wu
Image Consultant

Expert Interview. 12 June 2020} Try to buy shoes in the evening after you’ve gone about your normal day. Your feet will be swollen to their largest size and you can buy shoes that are big enough to accommodate that.^{[8]
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- If you are pregnant, your feet may swell more.
- When we wake up in the morning, we're longer and fitter. You want to have the weight on your feet when trying shoes on for a more precise fitting.^{[9]
  X
  Expert Source
  
  Penny Simmons
  Shoe Care Specialist
  
  Expert Interview. 19 November 2020.}
3
Look for shoes with enough room in the toe box.^{[10]
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Expert Source

Alice Wu
Image Consultant

Expert Interview. 12 June 2020} Shoes with pointed toes are a very common style, but almost no one’s foot is shaped that way. Purchase shoes that have a rounded toe and leave enough width for your toes to spread out comfortably. Pointed toe shoes are fine for special occasions, but they can damage your feet if you wear them too often.
- Although some people believe that pointed toe shoes can cause bunions, they're actually hereditary, so that shouldn't be a concern when buying shoes.^{[11]
  X
  Expert Source
  
  Penny Simmons
  Shoe Care Specialist
  
  Expert Interview. 19 November 2020.}
4
Check the fit at the back of shoes using your index finger. Put on the shoes and lace them up fully. Place your index finger at the back of the shoe. If you can fit your index finger in the back of your shoe comfortably, it is a good fit. If there is not enough room, your shoe is probably too small.
- Small shoes can cramp your feet and cause problems over time.
- Shoes may stretch slightly widthwise, but they won’t stretch lengthwise.
5
Make sure shoes are at least ³⁄₈ in (0.95 cm) longer than your big toe. It is important to leave enough room in your shoes for your big toes.^{[12]
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Alice Wu
Image Consultant

Expert Interview. 12 June 2020} When you try on a new pair of shoes, stand up and feel for the room in front of your longest toe. If there is little to no room, your shoes will be uncomfortable and you should find a size up.^{[13]
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- Your feet naturally scoot forward as you walk. If your shoes are right up against your big toe, it will cause friction that could lead to pain and irritation.
6
Fit your shoes to your larger foot if they aren’t the same size. Your feet may be slightly different sizes. One foot might be ½ of a size larger or even 1 full size larger than the other. If you have feet that are uneven sizes, buy shoes that fit your larger foot. It is better to wear 1 shoe that is slightly too big than 1 shoe that is too small.
- If your feet are more than 1 size apart, consider asking if a shoe store will sell you a mixed-size pair of shoes.
7
Walk in the shoes before you buy them. The best way to test out a pair of shoes is to take a lap around the store in them. Try to walk at least 50 paces in the shoes before you purchase them. Look out for friction or pinching in your toes or slipping in the heel.^{[14]
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Harvard Medical School
Harvard Medical School's Educational Site for the Public

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- Remember to do that towards the end of the day to get a better idea of the shoe fit.^{[15]
  X
  Expert Source
  
  Penny Simmons
  Shoe Care Specialist
  
  Expert Interview. 19 November 2020.}
Tip: Some shoes need to be broken in before they are comfortable, but they should still fit you from the very start.
8
Buy based on fit, not size. If you know you are a size 9 but find shoes that are a size 11 and fit perfectly, don’t size down.^{[16]
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Expert Source

Alice Wu
Image Consultant

Expert Interview. 12 June 2020} Purchase shoes that fit you well and don’t worry about what size they say they are. Different manufacturers have different measurements, so each brand of shoe is slightly different in size.^{[17]
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Harvard Medical School
Harvard Medical School's Educational Site for the Public

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- You may also find that shoes advertised as “comfortable” don’t work well for you at all. That’s okay! They may not be made for your foot shape or width.

Expert Q&A

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Question

How do I know what size shoe to buy when purchasing shoes online?

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

Always remember to check the size chart. You can also take a look at the reviews to get a really good understanding of how the shoes fit. When buying heels or sneakers, I recommend sizing up about a half to a full size.

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Question

Do shoe stretchers work on suede?

Penny Simmons
Shoe Care Specialist
Penny Simmons is a Shoe Care Specialist and the Founder of Penny Loafers Shoe Shine Company Inc. in Toronto, Canada. With over 25 years of experience, Penny specializes in shoe cleaning and shining. Penny offers shoe shining at special events, kiosks in Toronto’s underground city, The PATH, and drop-off services. Penny Loafers Shoe Shine Company also operates the oldest shoeshine parlor in Canada. Penny Loafers Shoe Shine Company has been featured in Best of The City - Toronto Life, Saturday Night Magazine, National Post, Globe & Mail, and Toronto Star.

Penny Simmons

Shoe Care Specialist

Expert Answer

Yes, since suede is more apt to stretch out than a finished leather, for example. That said, you'll definitely get more expressive results if you take your shoes to a professional cobbler.

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Question

How can I make my canvas shoes bigger?

Penny Simmons
Shoe Care Specialist
Penny Simmons is a Shoe Care Specialist and the Founder of Penny Loafers Shoe Shine Company Inc. in Toronto, Canada. With over 25 years of experience, Penny specializes in shoe cleaning and shining. Penny offers shoe shining at special events, kiosks in Toronto’s underground city, The PATH, and drop-off services. Penny Loafers Shoe Shine Company also operates the oldest shoeshine parlor in Canada. Penny Loafers Shoe Shine Company has been featured in Best of The City - Toronto Life, Saturday Night Magazine, National Post, Globe & Mail, and Toronto Star.

Penny Simmons

Shoe Care Specialist

Expert Answer

You're probably not going to have much luck with that, since canvas doesn't really have give or elasticity to it.

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Tips

If you are ordering shoes online, consider buying 2 pairs in different sizes and then returning the ones that don’t fit.

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If you have high arches or need extra support, consider putting insoles into the bottom of your shoes.

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