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👟 Size converter

Shoe Size Converter

Convert shoe sizes across US, UK, EU, centimeters, and Japan with adult and kids charts plus a foot-length lookup calculator.

Free browser utility: Inputs are processed locally in your browser. Results are practical references, not professional advice.

Shoe size lookup by foot length

Fit note: Brand lasts vary. Use the calculator for a starting point, then check the brand's official size chart and your foot width.

US 9 / UK 8.5 / EU 42 / JP 27

Nearest size from the Omellody reference table.

Men's shoe size chart

USUKEUCM / Japan
US Men 6UK 5.5EU 3924 cm / JP 24
US Men 7UK 6.5EU 4025 cm / JP 25
US Men 8UK 7.5EU 4126 cm / JP 26
US Men 9UK 8.5EU 4227 cm / JP 27
US Men 10UK 9.5EU 4328 cm / JP 28
US Men 11UK 10.5EU 4429 cm / JP 29
US Men 12UK 11.5EU 4530 cm / JP 30
US Men 13UK 12.5EU 4631 cm / JP 31

Women's shoe size chart

USUKEUCM / Japan
US Women 5UK 3EU 3522 cm / JP 22
US Women 6UK 4EU 3623 cm / JP 23
US Women 7UK 5EU 37.524 cm / JP 24
US Women 8UK 6EU 38.525 cm / JP 25
US Women 9UK 7EU 4026 cm / JP 26
US Women 10UK 8EU 4127 cm / JP 27
US Women 11UK 9EU 4228 cm / JP 28
US Women 12UK 10EU 4329 cm / JP 29

Kids shoe size chart

US KidsUKEUCM / Japan
US Kids 10UK 9.5EU 2716.5 cm / JP 16.5
US Kids 11UK 10.5EU 2817.5 cm / JP 17.5
US Kids 12UK 11.5EU 3018.5 cm / JP 18.5
US Kids 13UK 12.5EU 3119.5 cm / JP 19.5
US Kids 1UK 13.5EU 3220.5 cm / JP 20.5
US Kids 2UK 1.5EU 33.521.5 cm / JP 21.5
US Kids 3UK 2.5EU 3522.5 cm / JP 22.5
US Kids 4UK 3.5EU 3623.5 cm / JP 23.5

How to measure

  1. Stand on paper with your heel against a wall.
  2. Mark the longest toe on each foot.
  3. Measure heel-to-toe in centimeters.
  4. Use the longer foot and add a small comfort allowance if between sizes.

US, UK, EU, CM differences

US and UK sizes use different numbering systems, EU uses a Paris-point scale, and Japan/CM usually maps to foot length. This table normalizes common retail conversions for quick shopping checks.

Related tools

CM to inches

Measure foot length in both units.

Inches to cm

Convert measurements quickly.

Feet/inches to cm

Height and length helper.

All unit converters

Open the conversion hub.

FAQ

How do I convert US shoe size to EU?
Use the matching adult men, adult women, or kids table because US-to-EU conversions differ by profile.
Is JP shoe size the same as centimeters?
In many shoe charts, Japanese sizing closely follows foot length in centimeters, but brand charts can vary.
Should I size up if I am between shoe sizes?
Often yes, especially for athletic shoes or wider feet, but brand fit and width are important.

Source snapshot: GSC gap score 86: shoe size converter; high-demand retail utility with original tables. Radar cycle 2026-05-11-1223; formulas and reference ranges reviewed 2026-05-11.