WITHIN · SIZES · Updated 10 October 2026
Size converter
Rings, shoes, clothes, hats, belts and suits, plus the charts designers publish. Type a size, get every other system, with the source for each number.
- Kinds: Rings, Shoes, Clothes, Hats, Belts and Suits
- Sizes in the tables: 216 rows
- Designer charts: 38 designers
- Sources: 21 charts, each named under its table
Size charts by kind
- Ring size chart and converter43 sizes in US and Canada, UK and Australia, Europe, Japan and Singapore and inside diameter
- EU to US shoe size chart and converter77 sizes in US men, US women, UK, EU, Japan and foot length
- Clothing size chart and converter17 sizes in US, UK, Europe, France, Italy, Japan and 2 more
- Hat size chart and converter28 sizes in Head size, US, UK, Letter and New Era size
- Belt size chart and converter41 sizes in Waist, belt size, Letter, Gucci size, belt length, US trousers and 5 more
- Suit size chart and converter10 sizes in US and UK jacket, EU, Letter and US and UK trousers
Designer size charts
Each designer page shows the charts that designer or a large retailer prints, with how it fits when a source says so.
- A.P.C. size chart
- adidas size chart
- Aime Leon Dore size chart
- Amiri size chart
- Arc'teryx size chart
- ASICS size chart
- Balenciaga size chart
- Bape size chart
- Burberry size chart
- Canada Goose size chart
- Crocs size chart
- Dr. Martens size chart
- Drôle de Monsieur size chart
- Essentials size chart
- Fear of God size chart
- Gallery Dept. size chart
- Gramicci size chart
- Hoka size chart
- Homme Plisse Issey Miyake size chart
- Jordan size chart
- Kith size chart
- Ksubi size chart
- Les Deux size chart
- Moncler size chart
- New Balance size chart
- Nike size chart
- Purple Brand size chart
- Represent size chart
- Rhude size chart
- Rick Owens size chart
- Song for the Mute size chart
- Stussy size chart
- Sunspel size chart
- Supreme size chart
- Tom Wood size chart
- Undercover size chart
- Veja size chart
- Y-3 size chart
More on sizing
- Designer shoe sizes: what runs small, with each maker's own chart
- How to measure jeans before buying online
- How to measure a blazer that fits
- How designer sizing runs, brand by brand
- What a 38 is, and whether designer shoes run big or small
- Rick Owens sizing: one chart for both lines
- Moncler sizing: 00 to 8 for men, 000 to 7 for women
- Canada Goose sizing: trust the fit word, not the rule
- Essentials hoodie sizing
- Kith sizing: how the tees, jackets and sneakers fit
- Needles sizing: the Track Pant measured, XS to XL
- Guidi sizing and which boots run small
- Tabi sizing and how to measure for Margiela boots
- Chrome Hearts ring size and how to find your fit