> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.woodblocx.co.uk/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Are the measurements shown on the website internal or external?

The measurements shown on our website are **EXTERNAL**. 

To work out the internal size, please remove 15cm (0.15m) from your selected length and width. You’ll also need to remove 5cm (0.05cm) from the height too (unless you are filling right to the top!)