What is shoe size 40, what is its length in inches and centimeters? Also, How to convert women’s 40 and 40.5(40½) to men’s size in the US, UK, EU, and other nations in the world.
According to research conducted by a reliable organization in the United States, only about 35% of people are wearing shoes of the right length and width around the globe, which is one-third of the world’s population. So, It is important to know your correct shoe size before going to buy shoes online.
What is Shoe Size 40?
The number 40 is used for women in the European shoe size system. Usually, in Europe, women’s size is four digits shorter than the men’s size. If you are a woman with European size 40, then it is 44 in EU men’s and 9 in U.S. women and 7 in U.S. men.
Analyzing Shoe size 40
Chart for women’s 40 shoe size in inches and centimeters, compared with the US, Japan, Australia, Mexico, and UK sizes.
| EU Size | US | UK | Mexico | Japan | Australia | Inches | cm |
| 39-40 | 9 | 7 | 5.5 | 25 cm | 8-9 | 9-7/8 | 25.1 |
| 40 | 9.5 | 7.5 | 6 | 25.5 cm | 9 | 10 | 25.4 |
| 40–41 | 10 | 8 | 6.5 | 26 cm | 9-10 | 10-3/16 | 25.9 |
European Size 40 in Narrow and Wide Sizes
Men’s 40 shoe Size Width Chart
| EU Size | NARROW | MEDIUM | WIDE | XWIDE |
| 40 | 9.4 cm | 9.9 cm | 10.4 cm | 11.1 cm |
| 40.5 | 9.4 cm | 9.9 cm | 10.4 cm | 11.1 cm |
Women’s 40 Shoe Size Width Chart
| EU Size | NARROW | MEDIUM | WIDE | XWIDE |
| 40 | 8.3 cm | 9 cm | 10 cm | 11 cm |
| 40.5 | 8.4 cm | 9.2 cm | 10.2 cm | 11.1 cm |
