How do I compare a US size to a UK size?

You can use the `compare_standard_scales` tool to find the equivalent size in the UK for a given US size.

Can I calculate the difference between men's and women's sizes?

Yes, by using `calculate_size_gap` and specifying the gender for each size, the tool calculates the absolute physical difference in millimeters.

What is the output format of the measurements?

All physical measurements are returned in millimeters (mm) to ensure precision across all sizing systems.

Shoe Size Difference Calculator MCP Connector for Claude

A+

Calculate the physical millimeter difference between any two shoe sizes across global standards.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides precise tools to bridge the gap between international shoe sizing systems. By converting various regional sizes into a unified physical length in millimeters, it allows for accurate comparisons between different standards. Use calculate_size_gap to find the physical difference between two specific shoes, compare_standard_scales to find an equivalent size in a different region, or find_closest_size to match a physical measurement to a standard size.

shoe-sizeconversionmeasurementsizinginternational

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_U2LLKhPTSC49pWB0vcbDmAWt3cQoxKezVywEUK2K/mcp

② Claude Code (terminal)

claude mcp add --transport http shoe-size-difference-calculator https://edge.vinkius.com/vk_preview_U2LLKhPTSC49pWB0vcbDmAWt3cQoxKezVywEUK2K/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "shoe-size-difference-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_U2LLKhPTSC49pWB0vcbDmAWt3cQoxKezVywEUK2K/mcp"
    }
  }
}

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