Measures and sizes




The measure of a foot for a shoe is from the heel to the longest toe. Shoe size is an alphanumerical indication of the fitting size of a shoe for a person. Often it just consists of a number indicating the length because many shoemakers only provide a standard width for economic reasons. There are several different shoe-size systems that are used worldwide. These systems differ in what they measure, what unit of measurement they use, and where the size 0 (or 1) is positioned. Only a few systems also take the width of the feet into account. Some regions use different shoe-size systems for different types of shoes (e.g., men's, women's, children's, sport, or safety shoes).

Units for shoe sizes vary widely around the world. European sizes are measured in Paris Points, which are worth two-thirds of a centimeter. The UK and American units result in whole-number sizes spaced at one barleycorn (​1⁄3 inch), with UK adult sizes starting at size 1 = 8 2⁄3 in (22.0 cm). In the US, this is size 2. Men's and women's shoe sizes often have different scales.citation needed Shoe size is often measured using a Brannock Device, which can determine both the width and length size values of the foot. A metric standard for shoe sizing, the Mondopoint system, was introduced in the 1970s by International Standard ISO 2816:1973 "Fundamental characteristics of a system of shoe sizing to be known as Mondopoint" and ISO 3355:1975 "Shoe sizes – System of length grading (for use in the Mondopoint system)". the current version of the standard is ISO 9407:2019, "Shoe sizes—Mondopoint system of sizing and marking". The Mondopoint system includes measurements of both length and width of the foot.

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