UK to US Shoe Size Converter Convert UK shoe size to US. UK size US men 9 US women 10.5 Step-by-step with your numbers: 1. Values used: 2. UK size = 8 3. US men = 9 4. US women = 10.5 Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! UK to US shoe sizes. FAQ Why different? Each region has its own sizing scale. Related calculators Shoe Size Conversion Convert US, UK and EU shoe sizes. EU to US Shoe Size Converter Convert EU shoe size to US. US to EU Shoe Size Converter Convert US shoe size to EU.