Terms of Use
Last updated: 15 November 2026
Use of the tools
The calculators on AK Structure are free to use for personal and professional work. Results are for guidance only and must be checked by a qualified engineer before they are used for design, construction or procurement.
No warranty
The tools are provided "as is". While every tool is checked against the code and independent calculations, errors are possible and codes change. AK Structure and its author accept no liability for any loss or damage arising from use of the site. See also the Disclaimer.
Codes and standards
Code clauses are referenced for checking. Codes and standards are the property of their publishers (ACI, ASCE, BSI and others); this site does not reproduce them. Use the official documents for design.
Content
The text, layout and code of this website belong to AK Structure. You may share links to any page and print results for your own projects. Do not copy the site or its tools for redistribution.
Changes
These terms may be updated; the date above shows the latest version.