Shoe Size Converter with Fit Notes

Get accurate shoe size conversions across all international sizing systems. Receive brand-specific fit advice and width recommendations for your perfect fit.

📏 Foot Measurement

How to Measure Your Foot
  1. Place a piece of paper on a hard floor against a wall
  2. Step on the paper with your heel against the wall
  3. Mark the longest toe on the paper
  4. Measure from the wall to the mark
  5. Repeat for both feet and use the larger measurement
  6. Measure in the afternoon when feet are largest
inches

👟 Brand Preference

Nike
Adidas
Converse
Vans
New Balance
Dr. Martens
Clarks
Louboutin
Generic/Other

📐 Foot Width

Narrow (B)
Slim feet
Medium (D)
Average width
Wide (2E)
Broader feet
Extra Wide (4E)
Very broad feet

Your Shoe Size Conversions

International sizes and brand-specific fit recommendations

International Size Conversions

Shoe Shopping Tips

Best Time to Shop

Shop for shoes in the afternoon when your feet are at their largest. Feet naturally swell throughout the day.

Try Both Feet

Most people have one foot slightly larger than the other. Always fit for the larger foot.

Width Matters

Don't just focus on length. The right width prevents pinching, blisters, and long-term foot problems.

Consider Sock Thickness

Bring the type of socks you'll wear with the shoes, or account for thicker socks in winter boots.

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The Shoe Size Converter with Fit Notes turns your foot length, brand, and width into sizes across US, EU, UK, Japan, and Australia. It adds brand tweaks and narrow or wide advice so you get fewer exchanges and happier feet.

Heads up
Conversions are guidance. Fit can vary by model. Do a quick at home try on and check return policies before you wear them out.

How the Shoe Size Converter Works, foot length to size

Measure your feet at home, step by step
Image Credit: Blufashion
  1. Measure foot length. Trace both feet in the afternoon. Measure heel to longest toe to the nearest 0.1 in or 0.5 cm. Use the larger foot. I stand against a wall, heel touching, so the ruler stays honest.
  2. Pick units. Inches or centimeters.
  3. Choose a brand or stay generic.
  4. Select width. Narrow, medium, wide, extra wide.
  5. Tap Convert.
    Converting other items too, try the International Size Converter for quick cross brand checks.

Your conversion results

  • Sizes in five regions. US, EU, UK, Japan, Australia.
  • Width guidance. Narrow vs wide callouts.
  • Brand adjustments. Simple notes like runs long, try half size down.
  • Recommendations you can act on. Models that suit your width or last shape.
  • Copy or print. Save your card for the next checkout.

Brand shoe size tips, Nike vs Adidas sizing

Shoe Size Converter with Fit Notes
Shoe size conversion made easy. Photo by Iskra / Blufashion

These are starting lines, not verdicts. Your feet get the final say. Running shoes for sunny miles, protect your skin with the SPF Calculator.

  • Nike. A touch narrow. If you are wide, consider half size up.
  • Adidas. Often true to size. Ultraboost can feel snug, half up if between.
  • New Balance. Many widths. 2E and 4E available in core lines.
  • Hoka. True to size in length, roomy toe box, wide options in key models.
  • Vans. Low volume, slightly narrow. True to size for most, watch width.
  • Converse. Chucks run long and narrow. Many size down half for a secure fit.
  • Dr. Martens. Length close to true. Break in takes a few wears. Medium width.
  • Clarks. Classic last, often true to size, good width selection.
  • Birkenstock. Firm footbed. Regular width fits wide feet, Narrow fits many mediums.
  • Louboutin. Very narrow. Often size up, limited widths.
  • Generic path. Match by length and width, then try within half a size if the last looks narrow.

Measurement guide, foot length to size

  1. Trace both feet on paper, afternoon is best.
  2. Measure heel to longest toe with a ruler.
  3. Use the larger foot to choose size.
  4. Wear the socks you plan to use.
  5. If you use orthotics or your feet swell later in the day, try half size up and recheck width.
    Dial in apparel fit alongside shoes with our Dress Size Calculator.

Width decoder, narrow vs wide shoes

  • B width, common women’s medium.
  • D width, common men’s medium, women’s wide.
  • 2E width, men’s wide.
  • 4E width, men’s extra wide.
    Crosswalk, women’s medium is B, men’s medium is D. Women’s wide is often D, men’s wide is often 2E.
    Feel on foot, more width lets your forefoot splay without that pinched, end of day ache.

Shopping tips for a sure fit

  • Try both feet, they are siblings, not twins.
  • Socks matter, match thickness to your use.
  • Walk a quick lap on a hard floor, not carpet, you feel slippage faster.
  • Break in takes a few wears, leather relaxes, knit stretches.
  • Read return windows before you click buy.
    See more time savers on the Tools Hub before you order.

First hand example, Converse fit

I plug in 9.75 in, medium width, Converse.

The converter returns, US 7.5, EU 40.5, UK 6.5, JP 25.5, AU 7.5.

Fit note, Converse runs long. If you like a snug Chuck Taylor fit, try US 7.

Width fork, if your forefoot is wide, keep US 7.5 for Chucks, or try a wider friendly model like Jack Purcell.

FAQs, international sizing and widths

Why do sizes differ by region?

Each region uses a different scale, the tool maps them to your foot length.

How accurate are brand adjustments?

They reflect common lasts and real feedback. Models vary, use return friendly stores.

If I am between two sizes, which do I pick?

For sport or no break in, go bigger. For canvas or leather that stretches, start closer to snug.

How do kids and men’s conversions differ from women’s?

Same length logic, different scales. As a rough guide, women’s US 8 is about men’s US 6.5, then run the converter to confirm.

When should I size up for insoles?

If you add a thick insole or orthotic, go up a half size and recheck width.

Do widths match across brands?

Not perfectly. Use the width decoder, then read the brand note for that last.

Use the Shoe Size Converter with Fit Notes, print your size card, and share your fit notes to help the next shopper. Your quick review can save someone a return trip.

More sizing tools

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