Disclaimer

Information and estimates only

The calculators, tables, charts and text on EngiFormula provide general information and preliminary estimates. They are not professional engineering, design, legal or financial advice.

Your responsibility

You are responsible for checking every result against the codes, standards, regulations and product instructions that apply to your project and location, and for using a qualified professional where the work requires one. Many results depend on site conditions, materials and local requirements that a general calculator cannot know.

Stated method and limits

Each calculator states its method, assumptions, limits and sources. A result is only valid within those limits. A published calculator has been checked against its stated method and sources; that is not a design, a certification, a professional seal or an approval for every jurisdiction.

Accuracy

We work to keep calculators correct and up to date, but we cannot guarantee that every result, source or value is free of error or current. Report suspected errors through the contact page.

No liability

To the extent the law allows, EngiFormula is not liable for any loss or damage arising from the use of, or reliance on, the site or its results. See our terms of use.