How do I convert US shoe size to UK?

For Men, typically US size minus 1 equals UK size. For Nike, it is US minus 1. For Adidas, it is US minus 0.5. Use our calculator for exact brand logic.

Is Nike and Adidas sizing the same?

No. Adidas sizes typically run slightly smaller or differ in UK conversion compared to Nike. Our tool adjusts for these brand differences automatically.

Smart Shoe Converter

Supports US, UK (India), EU (China), and JP (CM). Precision for Nike & Adidas.

Select Brand

Input Size

Enter your size

India & UK

India follows the UK sizing system exactly. If you are UK 8, you are also India 8.

China & EU

China (CN) primarily uses the EU system. Size 42 CN is equivalent to 42 EU.

Japan (JP)

Japan uses Centimeters (CM). It's the most accurate because it measures actual foot length.

How to Measure

01. Setup

Stand with heel against a flat wall on paper.

02. Mark

Mark the longest part of your foot with a pen.

03. Result

Measure distance in CM and add 0.5cm for comfort.