Boot Size Calculator
Enter your foot length, the boot type and whether you need men's or women's sizes. The calculator converts it to US, UK and EU sizes and Mondopoint, adding room for thick socks.
- Boot size
- EU size
- Mondopoint
Stand on paper, mark heel and longest toe, and measure between.
Men's US size = 3 × foot length in inches − 22. A 27 cm foot in hiking boots, with 1 cm for socks, is a men's US 11, UK 10 and EU 44.5. Mondopoint is 270.
Boot size chart
No sock room. Search for a length.
| Foot | Men's US | Women's US | UK | EU |
|---|---|---|---|---|
| 23 cm | 5 | 6.5 | 4 | 37 |
| 24 cm | 6.5 | 8 | 5.5 | 38 |
| 25 cm | 7.5 | 9 | 6.5 | 40 |
| 26 cm | 8.5 | 10 | 7.5 | 41 |
| 27 cm | 10 | 11.5 | 9 | 43 |
| 28 cm | 11 | 12.5 | 10 | 44 |
| 29 cm | 12.5 | 14 | 11.5 | 46 |
| 30 cm | 13.5 | 15 | 12.5 | 47 |
Sizes.
Foot length and boot
Fashion boot. Slide the foot length.
The boot is drawn to the foot.
How to size boots
Foot to boot. Step through it.
Measure
Heel to toe.
Try boots on in the afternoon with the socks you will wear.
Fashion, work or hiking
Boot types. Compare them.
Everyday.
Safety toe.
Trail.
Hiking boots need a thumb's width at the toe.
Before you buy
Boot checks. Tick each item.
Tick each item as you go.
Your toes should not touch the front going downhill.
What you get
Boot sizing. Each tile explains one result.
Size.
Size.
Size.
mm.
Allowance.
Feet swell on long walks, so leave a little room.
Frequently Asked Questions
No question matches that search.
How do I find my boot size?
Measure your foot from heel to longest toe and convert it.
Should boots be a size bigger?
Hiking and winter boots often need half a size more for thick socks.
What is Mondopoint?
Foot length in millimetres, used for ski boots.
Are boot sizes the same as shoe sizes?
Mostly, but boots are often worn with thicker socks.
How do I convert men's to women's sizes?
Add one and a half to the men's US size.
How much toe room should boots have?
About a thumb's width, or one centimetre, for hiking.
Boots that fit
Measure your foot and pick a boot size that is comfy from the first mile.
More size calculators
Each one has its own calculator, worked examples and answers to common questions.