Terms of use

By using Dollar Math Home you agree to these terms.

Estimates, not advice. Our calculators give estimates based on standard formulas and common assumptions. They are not professional, engineering or legal advice, and your real material needs may differ. Check product coverage, local building codes and important decisions with a qualified professional.

Free to use. You may use the calculators for personal or business purposes and link to any page.

Our content. The site design, code and text belong to Dollar Math Home. Please don't copy or republish them without permission.

No warranty. The site is provided as it is. We work to keep numbers correct and current but can't guarantee they are free of errors.

Third-party links and ads. We are not responsible for the content of websites or ads from third parties.

Changes. We may update these terms from time to time. The latest version is always on this page.

Contact: hello@thedollarmath.com