One size,every system
Convert shoe, ring, clothing and pet sizes across US, UK, EU, JP and more — live, accurate, and honest about where brands differ. Free forever, no account needed.
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Popular converters
The most-searched conversions, each with a live tool and a full reference chart.
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Clothing Size Converter
Women's & men's sizes across US, UK and EU.
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Women's UK 6 to US
UK 6 converts to US 2 — with full size chart.
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Women's UK 14 to US
UK 14 converts to US 10 — with full size chart.
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Shoe Size Converter
US, UK, EU, JP, cm — men's, women's and kids'.
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Ring Size Converter
US, UK, EU/ISO and JP — plus mm circumference.
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Women's UK 16 to EU
UK 16 converts to EU 44 — with full size chart.
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