Terms of Use

Last updated October 11, 2026.

Estimates, not guarantees

Pebble Calculator provides calculators and guides for general information and planning. Results are estimates based on the inputs you provide and the assumptions described on each page. Real-world quantities, costs and requirements vary. Always confirm with your supplier, a qualified professional, and your local codes before buying materials or starting work.

No professional advice

Nothing on this site is engineering, legal, tax, financial or medical advice.

Use of the site

You may use the calculators freely for personal and commercial projects. You may not copy the site's content wholesale or republish it as your own.

Liability

The site is provided "as is". To the extent permitted by law, we are not liable for losses arising from the use of results from this site.