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About this tool
Convert shoe sizes between UK, India, US men's, US women's, EU and Japanese sizing from a size or a foot measurement.
This converter translates a shoe size between UK, Indian, US men's, US women's, EU and Japanese sizing by working back to foot length, the one quantity all the systems are built on. UK and Indian sizes use the barleycorn scale of 1/3 inch per size (UK = 3 × foot inches − 23), US men's run one size above UK and US women's two and a half above, EU uses the Paris point of 2/3 cm over a last 1.5 cm longer than the foot, and Japanese sizing is the foot length in centimetres itself.
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Every conversion routes through a measurable length instead of chaining approximations.
You can see when your foot falls between two available sizes rather than on one.
The half sizes either side are listed so you know what else to ask for.
EU 42, which is US men's 9, US women's 10.5 and a foot length of about 26.2 cm. The exact Paris-point figure is 41.6, so a EU 41 may also fit depending on the last.
Yes — Indian adult footwear follows UK sizing, so an Indian 8 and a UK 8 are the same size. That also means Indian sizes sit one number below US men's sizes and 2.5 below US women's.
Stand on a sheet of paper with your heel against a wall, mark the tip of your longest toe, and measure the distance in centimetres — that is your Mondopoint or Japanese size directly. Measure at the end of the day when feet are at their largest, wear the socks you intend to use, and size to the longer foot.
Because the EU step is a Paris point of 6.67 mm while a UK half size is only 4.23 mm, so the European scale is already coarser and manufacturers stay with whole numbers. A foot that sits neatly on a UK half size therefore often lands between two EU numbers, which is why trying both is worthwhile.
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