Privacy Policy

The dimensions, materials, and other inputs you enter into the gravel calculator are processed entirely within your web browser using JavaScript. We do not transmit, store, or have access to any of the specific values you enter. We may collect aggregate, anonymous analytics about which calculator features are used, but this data cannot be linked to any specific calculation or individual.

We use the information we collect for the following purposes:

• To provide, maintain, and improve our website and calculator tools
• To analyze website traffic and understand how visitors use our site
• To respond to your comments, questions, and requests for support
• To monitor and analyze trends, usage, and activities in connection with our services
• To detect, investigate, and prevent fraudulent transactions and other illegal activities
• To personalize and improve the experience on our website
• To display relevant advertisements through our advertising partners
• To measure the effectiveness of advertising campaigns
• To comply with legal obligations and enforce our terms and policies
• To protect the rights, property, and safety of our users and the public
• To carry out any other purpose described to you at the time the information was collected

We use cookies and similar tracking technologies to collect information about your browsing activities on our website. Cookies are small text files stored on your device when you visit a website. For detailed information about our use of cookies, please see our Cookie Policy.

We use both session cookies (which expire when you close your browser) and persistent cookies (which remain on your device for a set period or until you delete them).

We use Google Analytics 4 to help us understand how visitors use our website. Google Analytics collects information such as how often users visit the site, what pages they visit, and what other sites they used prior to coming to our site. We use this information solely to improve our website and provide better content.

You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

We use Google AdSense and other advertising networks to display advertisements on our website. These services use cookies and similar technologies to serve ads based on your prior visits to our website and other websites on the internet.

You may opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.

Our website may contain affiliate links to third-party websites, including but not limited to Amazon Associates and other gravel supplier programs. When you click on these links, affiliate cookies may be placed on your device to track whether a purchase results from your visit. We earn a commission on qualifying purchases at no additional cost to you. These affiliate relationships do not influence our content or recommendations.

We do not sell your personal information. We may share information about you as follows:

Our website may contain links to third-party websites, including gravel suppliers, contractors, and other resources. We are not responsible for the privacy practices of these other sites. We encourage you to read their privacy policies. This Privacy Policy applies only to information collected by Gravel Calculator Pro.

We retain personal information you provide (such as contact form submissions) only as long as necessary to respond to your inquiry. Analytics data is retained as configured in our analytics service settings. You may request deletion of any personal information we hold about you by contacting us.

We implement reasonable technical and organizational security measures to protect your information from unauthorized access, disclosure, alteration, and destruction. Our website is served over HTTPS encryption. However, no security system is impenetrable and we cannot guarantee the absolute security of information transmitted over the internet.

Because all calculator inputs are processed client-side and never transmitted to our servers, your specific calculation data is inherently protected from server-side breaches.

• Cookie Opt-Out: Control cookies through your browser settings. See our Cookie Policy for details.
• Analytics Opt-Out: Install the Google Analytics Opt-out Browser Add-on to prevent data collection by Google Analytics.
• Advertising Opt-Out: Visit Google Ads Settings or the NAI opt-out page to opt out of interest-based advertising.
• Contact Data Deletion: Email us to request deletion of any personal information you provided via our contact form.
• Do Not Track: Our website does not currently respond to Do Not Track browser signals, but you can use the opt-out tools above to limit tracking.

If you are a California resident, the California Consumer Privacy Act (CCPA) provides you with specific rights regarding your personal information:

• Right to Know: Request information about the categories and specific pieces of personal information we have collected about you.
• Right to Delete: Request deletion of personal information we have collected, subject to certain exceptions.
• Right to Opt-Out: Opt out of the sale of your personal information. We do not sell personal information.
• Right to Non-Discrimination: We will not discriminate against you for exercising your CCPA rights.
• Right to Correct: Request correction of inaccurate personal information we maintain about you.
• Right to Limit Use: Limit our use and disclosure of sensitive personal information.
• Right to Know About Automated Decision-Making: Rights related to automated decision-making technologies.
• Right to Data Portability: Receive your personal information in a portable format.

To exercise these rights, contact us using the information in the Contact section below.

If you would like to opt out of any sharing of your personal information for cross-context behavioral advertising purposes, you can do so by using the advertising opt-out tools described above, or by adjusting your cookie preferences through your browser settings.

Gravel Calculator Pro is not directed at children under the age of 13, and we do not knowingly collect personal information from children under 13. If we learn we have collected personal information from a child under 13, we will delete that information as quickly as possible. If you believe a child under 13 has provided us with personal information, please contact us immediately.

Gravel Calculator Pro is operated primarily for users in the United States. If you are visiting from outside the US, please be aware that your information may be transferred to, stored, and processed in the United States where our servers are located. By using our website, you consent to the transfer of your information to the United States and to the practices described in this Privacy Policy.

We may update this Privacy Policy from time to time. We will post the updated policy on this page with a new "Last Updated" date. Your continued use of our website after any changes constitutes your acceptance of the revised policy.