Privacy Policy

1. Who We Are

Quantity Estimator ("we," "us," or "our") operates the website at https://www.quantityestimator.com, which provides free construction material estimation calculators for contractors, builders, and DIYers. If you have questions about this policy, contact us at hello@quantityestimator.com.

2. Information We Collect

Information You Provide

• Email address — if you voluntarily subscribe to our email newsletter via the signup form on calculator pages. We use this to send project cost tips and new calculator announcements. You can unsubscribe at any time.

Information Collected Automatically

• Analytics data — We use Google Analytics 4 (via Google Tag Manager) to collect anonymized usage data: pages visited, session duration, approximate geographic region (country/city), device type, and browser type. This data is aggregated and does not identify individuals.
• Calculator inputs in URLs — Calculator inputs are saved to the URL parameters in your browser for bookmarking and sharing purposes. This data is stored locally in your browser only and is not transmitted to our servers.
• Cookies — Google Analytics sets first-party cookies to distinguish users and sessions. We do not set any first-party cookies beyond those required for analytics. See Google's Privacy Policy at policies.google.com/privacy.

3. How We Use Your Information

• To send email newsletters and new calculator announcements (if subscribed)
• To understand how visitors use the site and improve calculator accuracy and content
• To monitor for errors and improve site performance

We do not sell, rent, or trade your personal information to third parties. We do not use your data for targeted advertising.

4. Third-Party Services

• Google Analytics / Google Tag Manager — Analytics service operated by Google LLC. Data is processed in accordance with Google's Privacy Policy. You can opt out via Google Analytics Opt-out Browser Add-on.
• Mailchimp — Email list management. If you subscribe, your email address is stored in Mailchimp's systems in accordance with Mailchimp's Privacy Policy.
• Affiliate links — We participate in affiliate programs with Home Depot (Impact Radius), Lowe's (CJ Affiliate), and Amazon Associates. When you click an affiliate link and make a purchase, those companies may use cookies to track your purchase. We receive a small commission at no cost to you. See our Affiliate Disclosure.
• Google AdSense — If enabled, Google may show ads on this site and use cookies to serve personalized ads. You can manage ad personalization at adssettings.google.com.

5. Your Rights

Depending on your location, you may have rights regarding your personal data including:

• The right to access, correct, or delete your personal information
• The right to unsubscribe from marketing emails at any time (use the unsubscribe link in any email)
• The right to opt out of Google Analytics tracking (see above)

To exercise any data rights, email hello@quantityestimator.com.

6. Data Retention

Email addresses on our mailing list are retained until you unsubscribe. Analytics data is retained per Google's retention settings (14 months by default). We do not store calculator inputs on our servers.

7. Children's Privacy

This site is not directed at children under 13. We do not knowingly collect personal information from children. If you believe a child has submitted information to us, contact us and we will delete it promptly.

8. Changes to This Policy

We may update this Privacy Policy periodically. The effective date at the top of this page will reflect when changes were last made. Continued use of the site after an update constitutes acceptance of the revised policy.

9. Contact

Questions about this Privacy Policy? Contact us at hello@quantityestimator.com.