Conversions

Instant, private, and free

Shoe Size Converter.

Convert shoe sizes between US, UK, EU, JP, and actual foot measurements

On-device calculationNo signup
01

Set your values

Results update as you type.

Gender / Age Group

Converted Shoe Sizes

US Men's

9

UK Size

8.5

Europe (EU)

42

Japan (JP - cm)

27 cm

Foot Length (Inches)

10.25 in

Foot Length (cm)

26 cm

How to Use

The **Shoe Size Converter** allows you to convert between different international shoe sizing systems including **US, UK, Europe (EU), and Japan (JP / cm)**, as well as actual foot lengths in inches and centimeters.

How to Measure: Trace your foot on a sheet of paper and measure from heel to the tip of your longest toe. Add ~0.5 cm (0.2 inches) buffer to find your ideal shoe length.

FAQs

How do I measure my foot size for shoes?

Place your foot flat on a piece of paper, trace the outline, and measure the distance from the heel to the tip of your longest toe. Use this length in cm or inches to find your size.

Are men's and women's shoe sizes the same in the US?

No, in the US, women's shoe sizes are typically 1.5 sizes larger than men's. For example, a US men's size 7 is approximately a US women's size 8.5.

Do shoe sizes vary by brand?

Yes, brands may use slightly different sizing rules. However, international size conversion standards (US/UK/EU/JP) provide a highly reliable starting point.

Cite this calculator

Canonical URL: https://mathify.one/en/conversion/shoe-size

Cite as: Mathify. (2026). Shoe Size Converter. https://mathify.one/en/conversion/shoe-size

Use Cases

International Online Shopping

When buying shoes from international retailers, use the converter to translate your size into the system used by the store, ensuring you order the correct fit.

Example: If you wear US men's 10, the converter shows UK 9.5, EU 43, and JP 28 cm.

Foot Measurement to Size

If you have measured your foot length, the converter can help you find your size across all systems, especially useful for brands that use different sizing standards.

Example: A foot length of 27 cm converts to US men's 9, UK 8.5, EU 42, and JP 27.

Frequently Asked Questions

How do I use the Shoe Size Converter?
Simply enter your shoe size in one system (US, UK, EU, or JP) or your foot length in centimeters or inches. The converter will instantly show equivalent sizes in all other systems, helping you find the right fit when shopping internationally.
What is the difference between US, UK, EU, and JP shoe sizes?
US and UK sizes are based on inches, with UK sizes typically one size smaller than US for men and similar for women. EU sizes are based on Paris points (2/3 cm per size), and JP sizes are in centimeters, representing foot length. The converter accounts for these differences.
Can I convert foot measurements to shoe sizes?
Yes, you can input your foot length in centimeters or inches, and the converter will suggest the corresponding shoe size in US, UK, EU, and JP systems. This is useful if you know your exact foot length but are unsure of your size in a particular system.

Tips & Common Mistakes

Tips

  • Measure your foot length in the evening when feet are slightly swollen for a more accurate fit.
  • When converting, note that women's and men's sizes differ in US and UK systems; use the correct gender-specific conversion.
  • Always check the brand's specific size chart, as sizing can vary slightly between manufacturers.
  • If you are between sizes, consider the width of your foot and the shoe's style (e.g., athletic vs. dress) when choosing.

Common Mistakes to Avoid

  • Assuming EU and JP sizes are the same; JP sizes are in centimeters, while EU sizes are in Paris points.
  • Using the same conversion for men's and women's sizes without adjusting for the gender-specific scale.
  • Forgetting that foot length measurements should be taken while standing, as feet can lengthen under weight.

Last updated: August 13, 2026