Shoe size, also commonly known as shoe size, is a standard unit system used to measure the shape of a human foot in order to fit a shoe. At present, the shoe sizes used in various countries in the world are not the same, but generally both measure length and width. Length refers to the length of the wearer's foot, it can be the manufacturer's last longer. Even in the same country, different groups of people and shoes for different purposes, such as children, sports shoes, there are different shoe size definitions. The following is a size chart, can help you solve how to pick the correct number of yards; after measuring the length of feet and feet wide, so you can pick the right shoes. Interpretation of the size of the shoes table International standard shoe size is the number of millimeters long feet. Chinese standards using millimeters or centimeters. Such as: 245 is the number of millimeters, 24 1/2 is the number of centimeters, indicating the same size. Conversion formula: centimeters × 2-10 = European system (European +10) ÷ 2 = centimeters centimeters -18 +0.5 = American system + 18-0.5 = centimeters centimeters -18-0.5 = inch system +18 +0.5 = centimeter (Ouma +10) × 5 = Chinese shoe size, such as the shoes of the European code 35, the corresponding Chinese shoe size is 225; European code 37 corresponds to the Chinese shoe size 235. Shoe conversion table (unit: mm) 34 - 22035 - 22536 - 23037 - 23300 - 24039 - 24540 - 25041 - 25542 - 26043 - 26544 No. 27045 - 275. Shoe size measurement method 1, leg length: the longest end toe contact with the vertical line and the heel followed by contact with the vertical distance between the horizontal line. 2, foot width: feet in the horizontal projection (below). Represents the horizontal distance between two vertical lines that are in contact with the first and fifth metatarsal joints. The measurement conditions are the same as for the foot length measurement. 3, the actual length of the foot is not only the indication of China's shoe size. For example: the corresponding 250-foot-long shoe size 250 If the actual length 253mm or 257mm choose the shoe size 255; if the actual length of 248mm or 252mm choose the shoe size 250. Reminder: 1) the same foot length, fat feet to choose the larger (recommended for freshman yards shoes), the skinny feet do not choose a big one. 2) If the two adjacent code shoes are worn, it is recommended to choose one of the larger shoe size, because a little loose, then you can add double insoles or socks to solve, too small to wear on the uncomfortable; but usually most Time to wear only one code, it is recommended to buy a positive code. Size calculation method: Chinese shoe size is calculated as follows Foot length × 2-10 = Foot code (Foot length unit: cm Foot code unit: Code) For example, 25 cm (cm) of the foot length corresponds to 25 × 2-10 = 40 yards Other questions If you are not very understanding of the foot length, you can also calculate the following method (this is only a general rule, not necessarily all people, for reference purposes only): 1. Foot length calculation formula: feet length (cm) = (Height ± 3cm) ÷ 7 (this formula is suitable for people over the age of 13); 2. Through professional survey, measurement, derived statistics, you can also be used to refer to: Shanghai, height: feet ⅹ 6.75; Northeast height of people: feet ⅹ 6.876; Chongqing people height: feet ⅹ 6.85;
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