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The Go-To Shoe Size Conversion Guide: AU to US, UK & EU
Finding the perfect pair of shoes is exciting, right up until you spot that your favourite style is only listed in US, UK, or EU sizing. Suddenly you're doing mental maths and hoping for the best.
If you shop online or love an international brand, understanding size conversions saves you the guesswork and the painful returns. This guide translates Australian sizes into US, UK, and EU equivalents, so you can shop with confidence instead of crossing your fingers at checkout.
Let's make it simple.
Women's International Shoe Size Chart
Women's shoes shift a little between countries. Australian women's sizes line up closely with US sizes, but UK and EU differ, so it always helps to have your foot length in centimetres as a backup. Here's a general guide:
| Foot Length (cm) | AU | US | UK | EU |
|---|---|---|---|---|
| 22 | 5 | 5 | 3 | 35-36 |
| 22.5 | 5.5 | 5.5 | 3.5 | 36 |
| 23 | 6 | 6 | 4 | 36-37 |
| 23.5 | 6.5 | 6.5 | 4.5 | 37 |
| 24 | 7 | 7 | 5 | 37-38 |
| 24.5 | 7.5 | 7.5 | 5.5 | 38 |
| 25 | 8 | 8 | 6 | 38-39 |
| 25.5 | 8.5 | 8.5 | 6.5 | 39 |
| 26 | 9 | 9 | 7 | 40 |
| 26.5 | 9.5 | 9.5 | 7.5 | 40-41 |
| 27 | 10 | 10 | 8 | 41 |
Men's International Shoe Size Chart
Men's sizing runs on a slightly different scale. Australian men's sizes match UK sizes closely, while US sizes sit about one size larger. Here's the general guide:
| Foot Length (cm) | AU | UK | US | EU |
|---|---|---|---|---|
| 24.5 | 6 | 6 | 7 | 39-40 |
| 25 | 6.5 | 6.5 | 7.5 | 40 |
| 25.5 | 7 | 7 | 8 | 40-41 |
| 26 | 7.5 | 7.5 | 8.5 | 41 |
| 26.5 | 8 | 8 | 9 | 42 |
| 27 | 8.5 | 8.5 | 9.5 | 42-43 |
| 27.5 | 9 | 9 | 10 | 43 |
| 28 | 9.5 | 9.5 | 10.5 | 44 |
| 28.5 | 10 | 10 | 11 | 44-45 |
| 29 | 10.5 | 10.5 | 11.5 | 45 |
| 29.5 | 11 | 11 | 12 | 46 |
How Do Women's Shoe Sizes Compare to Men's?
Wondering how women's and men's sizes stack up? In most cases, women's shoes run about 1.5 sizes larger than the men's equivalent. So if you wear a women's AU 7, that's roughly a men's AU 5.5.
Here's the quick formula:
- Women's AU size − 1.5 = Men's AU size
- Men's AU size + 1.5 = Women's AU size
This comes in handy when you're borrowing a pair, or shopping a style that only comes in men's or women's sizing. Just remember these are approximate, so checking your foot length is still the most reliable move.
How to Convert AU Shoe Size to US Shoe Size
Good news for women: AU and US sizes are basically the same. If you wear a women's AU 8, you'll wear a US 8. Easy.
For men, US sizes typically run about one size larger than AU. So a men's AU 9 is roughly a US 10. No complicated chart needed, just remember to add one for men's when you're moving from AU to US.
How to Convert AU Shoe Size to UK Shoe Size
For women, there's a gap of about 2 sizes between AU and UK.
Women: AU size − 2 = UK size
For men, AU and UK sizes line up almost exactly.
Men: AU size = UK size
So a women's AU 8 converts to about a UK 6, while a men's AU 9 stays a UK 9. Simple once you know which rule applies to which.
How to Convert AU Shoe Size to EU Shoe Size
EU sizing works off foot length in centimetres, which is exactly why measuring your feet is so useful here. As a rough guide:
- Women: AU size + roughly 31 = EU size
- Men: AU size + roughly 33 = EU size
So a women's AU 8 is around EU 39, and a men's AU 9 lands near EU 43. EU sizing can jump around a little between brands, so treat these as a starting point and double-check the brand's own chart.
Shopping Tips for Buying Shoes Online
Buying shoes online doesn't have to be a gamble. A few smart habits make all the difference.
Measure Your Feet
Before you order anything, measure your feet. It's the single best way to confirm your size across different brands and international conversions. Stand on a sheet of paper, mark the longest point from heel to toe, and measure it in centimetres. Do both feet, since they're often slightly different, and use the larger one.
Check to See If There Is a Store Nearby
Sometimes nothing beats trying shoes on in person. If you're unsure about a size or a particular style, it's worth checking whether the brand has a physical store near you. A quick try-on in-store, then ordering your confirmed size online later, takes all the risk out of it.
Read the Product Reviews
Customer reviews are gold for sizing. People will often mention whether a shoe runs small, large, or narrow, the kind of detail you won't find in the product description. If several reviewers say to size up or down, take that seriously.
Check the Return Policy
Even with careful measuring, sometimes a pair just doesn't work out. Before you buy, make sure the store has a clear, fair return or exchange policy. Knowing you can send them back if the fit's wrong gives you the confidence to order in the first place.
Getting your size right across AU, US, UK, and EU really comes down to two things: knowing the simple conversion rules, and measuring your feet so you've got a number to check against. Do both, and shopping international brands online stops being a gamble and starts being the easiest way to find shoes you'll actually love wearing.