General disclaimer

ArchiCalc provides tools and educational material for informational use. Results should be independently verified before applying to real projects.

Accuracy and assumptions

Calculators may include approximations, assumed ranges, rounding or simplified logic. Outputs cannot guarantee compliance with national standards, regulations or engineering constraints.

No professional relationship

Using ArchiCalc does not create an architect–client or engineer–client relationship. We do not provide personalized design, engineering or compliance advice.

External standards and references

The site may mention codes such as IRC, IBC, UK guidance, ISO, Australian standards, etc. These references may not always reflect the latest editions. Always consult official sources.

User responsibility

You are responsible for confirming local requirements and ensuring professional review where necessary. ArchiCalc is not liable for errors, omissions or consequences arising from tool usage.