Terms of use
Effective October 8, 2026. By using Plank & Plot, you agree to these terms.
Free to use
The calculators and guides are free for personal and professional use. There is nothing to sign up for. Please don't use automated tools to copy the site in bulk or put heavy load on it.
Estimates, not guarantees
Results are estimates based on the formulas and typical values described on each page. They are meant to help you plan and shop, not to replace product instructions, local codes, or professional judgment. Read our disclaimer for details.
No warranty
The site is provided "as is" without warranties of any kind, express or implied, including accuracy, fitness for a particular purpose, and availability. We work to keep the numbers right and fix mistakes when we find them, but we can't promise the site is free of errors.
Limitation of liability
To the fullest extent allowed by law, Plank & Plot and its operator are not liable for any loss or damage that comes from using the site or relying on its results, including the cost of materials, labor, or project delays.
Our content
The text, calculators, and graphics on this site belong to Plank & Plot. You're welcome to link to any page and to quote short passages with a link back. Please don't republish whole pages or calculators.
Links and ads
We link to other websites and show ads from third parties. We don't control those sites or ads and aren't responsible for their content, products, or policies.
Changes
We may update these terms. The effective date above shows the latest version. Continuing to use the site means you accept the updated terms.
Last updated .