Footwear Sizing EngineISO 9407 CalibratedUS Size ⇄ Australia Size (AU)

US to Australia Shoe Size Converter

Direct Answer Summary

Australian men's shoe sizes follow the UK sizing standard (subtract 1 from US Men's: US 10 equals AU 9). Australian women's shoe sizes, however, are typically identical to US Women's sizing (US 8 equals AU 8). Always verify whether an Australian retailer lists UK-based men's or US-based unisex sizing before buying.

Convert US shoe sizes to Australian shoe sizes for Men and Women with exact conversion formulas and brand guides.

Live Interactive Island

US Size to Australia Size (AU) 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 Australia Shoe Size Converter Reference Table

Verified ISO 9407 Mondopoint & International Footwear Scaling Chart

SizeToolsHub.com

Verified International Size & Measurement Reference Platform

US to Australia 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.

Are Australian men's shoe sizes the same as US?↓

No. Australian men's shoe sizes are based on UK sizing and are one full size smaller than US Men's (a US 10 is an AU 9).

Are Australian women's shoe sizes the same as US?↓

Yes, Australian women's sizing generally follows US sizing directly (an AU Women's 7 is a US Women's 7).

What size is an Australian kids' shoe in US?↓

Australian children's sizes generally mirror UK children's sizes, running approximately half a size smaller than US kids' sizes.

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