Blog
Longer reads on why sizing works the way it does — the history behind the mismatches, not just the converted number. Start here if you want to understand the whole system rather than look up one conversion.
The posts below cover the mechanics behind international sizing generally (why a US 8 isn't always a EU 39, what vanity sizing actually is), practical how-to guidance for measuring yourself, region-specific buying guides for Japan and Korea, and seasonal shopping topics like cross-border holiday orders and sale-season sizing. If you're looking for one specific conversion instead of a longer read, the conversion index is the faster path.
- The Complete Guide to International Clothing Sizes
- Why Shoe Sizes Don't Match Across Countries
- Vanity Sizing Explained: Why a Size 8 Isn't What It Used to Be
- How to Measure Yourself for Online Shopping
- EU vs US vs UK Sizing: What's Actually Different
- Kids' Shoe Sizing by Age: A Parent's Guide
- Ring Sizing at Home Without a Jeweler
- Why Your Bra Size Changes Brand to Brand
- Japanese Sizing Explained for Western Shoppers
- Return Policy Tips When a Size Runs Wrong
- How Brands Manipulate Size Labels
- A Short History of Shoe Sizing Systems
Frequently asked questions
I only have a few minutes — is there a shortest useful post to start with?
Vanity Sizing Explained is the shortest high-value read if you only have a few minutes, since it explains a single concept (why the same size number means less over time) that quietly affects almost every other page and post on this site.
Where should I start if I'm new to international sizing?
The Complete International Size Guide is the widest-angle starting point, linking out to the specific conversions and charts it references rather than repeating their depth.
Are the seasonal posts updated each year?
They're written to be broadly useful season to season (cross-border shipping timelines, sale-season sizing behavior) rather than tied to one specific year's dates.