Footwear Sizing EngineISO 9407 CalibratedUS Size ⇄ Japan (cm)

US to Japan Shoe Size Converter

Direct Answer Summary

To convert US shoe sizes to Japanese sizing, determine your exact foot length in centimeters. A US Men's 9 equals a Japanese 27.0 cm, while a US Women's 7 equals a Japanese 24.0 cm. Japan measures actual linear foot length directly, eliminating regional scale offsets and ensuring reliable international footwear fits.

Convert US shoe sizes to Japanese shoe sizes in centimeters (cm) with exact foot length measurements and brand comparison charts.

Live Interactive Island

US Size to Japan (cm) Calculator

Step: 0.5
Converted Primary Standard
US 10Exact Fit Match
Measured Foot Length27.1 cm (10.67 in)
Brasil (BR)

42

Padrão Nacional
US Men

10

Standard Width D
US Women

11.5

Standard Width B
EU (Paris Pt)

44

Europa Continental
UK Standard

9.5

British Imperial

Values calibrated via ISO 9407 standards with 20mm last allowance.

Bookmarkable Calculation:
Allowance Rule

20mm Last Allowance

Standard shoe lasts include ~15–20mm beyond foot length to prevent toe pressure during gait movement.

Gender Offset

1.5 Size Difference

US Women's sizing is approximately 1.5 sizes higher than US Men's (e.g. Women's 9.5 equals Men's 8.0).

Paris Point Ratio

6.67 mm per EU Step

European sizes increment by 2/3 of a centimeter (6.67 mm), differing from the 8.46 mm US/UK barleycorn scale.

Shoe Size•Print-Optimized (A4 & US Letter)

US to Japan Shoe Size Converter Reference Table

Verified ISO 9407 Mondopoint & International Footwear Scaling Chart

SizeToolsHub.com

Verified International Size & Measurement Reference Platform

US to Japan Shoe Size Converter Reference Table

Shoe Size Guide

Reference Standards

International Footwear Conversion Chart.

Official cross-reference table comparing US, UK, European, and Japanese centimeter sizing according to ISO 9407 Mondopoint standards.

US MenUS WomenUKEU (Paris Pt)Foot Length (cm)Foot Length (in)Mondopoint (mm)
6.07.55.538.524.0 cm9.45″240
6.58.06.039.024.5 cm9.65″245
7.08.56.540.025.0 cm9.84″250
7.59.07.040.525.5 cm10.04″255
8.09.57.541.026.0 cm10.24″260
8.510.08.042.026.5 cm10.43″265
9.010.58.542.527.0 cm10.63″270
9.511.09.043.027.5 cm10.83″275
10.011.59.544.028.0 cm11.02″280
10.512.010.044.528.5 cm11.22″285
11.012.510.545.029.0 cm11.42″290
11.513.011.045.529.5 cm11.61″295
12.013.511.546.030.0 cm11.81″300
13.014.512.547.531.0 cm12.20″310
14.015.513.548.532.0 cm12.60″320
Official Reference Chart • https://sizetoolshub.comVerify scale before precision engineering or commercial production.
Common Questions

Frequently Asked Questions.

Expert answers regarding footwear fit, regional size variations, and measurements.

How does Japanese shoe sizing work?↓

Japanese shoe sizes are based directly on foot length in centimeters (cm). A size 26.5 corresponds directly to a foot length of 26.5 cm.

What is a US Women's 8 in Japanese shoe size?↓

A US Women's 8 equals approximately 25.0 cm in Japanese shoe sizing.

Is Japanese sizing more accurate than US sizing?↓

Yes, because it measures linear anatomical distance in metric centimeters rather than arbitrary size units, making it universal across brands.

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