Help. Girlfriend told me she's a size 5.5 shoe and I don't know what that means. which is used here most commonly? I'd say I'm a 10 cos it's the UK and
What is the size of a UK size 5 in India? - Quora
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Shoe Size Chart With Conversions For US, UK, EU, JPN, CN, MX, KOR, AUS/NZ, MOD & How To Measure Foot Size -