Terms of use

Acceptance

By using this site you accept these terms. If you do not accept them, please do not use the site.

Use of the calculators

The calculators are provided free of charge for estimating and general reference. You may use the results in your own work. You remain responsible for checking every result against your project specification, drawings and applicable standards before acting on it.

No warranty

The site is provided "as is". While the formulas and content are prepared carefully and corrections are welcomed, no warranty is given that the calculators are free from error or fit for any particular purpose.

Limitation of liability

To the extent permitted by law, the site owner is not liable for any loss or damage arising from the use of, or reliance on, this site or its calculators. Construction decisions carry real consequences, and the responsibility for verifying quantities and designs sits with the user and their professional advisers.

Not professional advice

Nothing on this site constitutes engineering, architectural, legal or financial advice, or a design. See the disclaimer for detail.

Content

The text, formulas as presented, and page design on this site are the property of the site owner. You may reference and link to pages freely. Wholesale copying of the content is not permitted.

External links

Links to other sites are provided for convenience. The site owner is not responsible for their content.

Changes

These terms may be updated from time to time. Continued use of the site after a change constitutes acceptance of the revised terms.