Privacy Policy

We collect minimal information to provide and improve our calculator service. The information we collect includes:

1.1 Information You Provide

Calculator dimensions, material specifications, and prices are processed in your browser and are not submitted to us. If you use the contact or newsletter form, we receive the information you enter, such as your name, email address, subject, and message.

1.2 Usage Data

We may collect anonymous usage data such as:

• Pages or features of our calculator you visit
• Time spent on the site
• Browser type and version
• Device type and operating system
• IP address (anonymized)

We use the information we collect for the following purposes:

• To provide the calculator service - Processing your input data to generate accurate calculations on our Asphalt Calculator and Driveway Cost Calculator
• To improve our calculator - Understanding how users interact with our tool helps us enhance functionality
• To analyze usage patterns - Identifying popular features and potential areas for improvement
• To maintain and secure our service - Ensuring the calculator functions properly and securely

We use local browser storage for theme preferences and your analytics-consent choice. Google Analytics is loaded only after you select “Allow” in the consent notice.

3.1 Types of Cookies We Use

• Preference storage: Remembers theme and consent choices
• Analytics storage: Used by Google Analytics only after opt-in consent

3.2 Your Cookie Choices

You may decline analytics without losing calculator functionality. You can clear the site's local storage in your browser to reset your choice.

We do not sell, rent, or trade your personal information with third parties. We may share anonymized, aggregate data (not linked to any individual) with partners or in public reports.

We may disclose your information in the following situations:

• With Service Providers: Cloudflare hosts the site, Google Analytics processes optional usage analytics after consent, and Google Apps Script receives contact and newsletter submissions through our server endpoint.
• For Legal Reasons: To comply with laws or respond to legal requests
• To Protect Rights: To protect our rights or the safety of users
• Business Transfers: In connection with a merger, acquisition, or sale of assets

We implement appropriate security measures to protect your information against unauthorized access, alteration, disclosure, or destruction. However, no method of internet transmission or electronic storage is 100% secure.

Our security measures include:

• Using secure, encrypted connections (HTTPS)
• Regular security assessments
• Limited access to personal information by our staff
• Monitoring for suspicious activities

If you opt in, we use Google Analytics to understand aggregate site usage. If you decline, the analytics script is not loaded.

These third-party services have their own privacy policies addressing how they use such information. We recommend reviewing their privacy policies:

• Google Analytics Privacy Policy

Contact and newsletter submissions are forwarded to Google Apps Script. We keep submissions only as long as needed to respond, administer subscriptions, prevent abuse, and meet legal obligations. You may request access or deletion using the contact address below.

Our calculator is not intended for children under 16 years of age. We do not knowingly collect personal information from children under 16. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

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

• Access: Request copies of your personal data
• Rectification: Request correction of inaccurate data
• Erasure: Request deletion of your data under certain circumstances
• Restriction: Request limiting how we use your data
• Data Portability: Request transfer of your data in a structured format
• Objection: Object to our processing of your data

To exercise any of these rights, please contact us using the information provided in Section 11.

Our servers may be located outside your country of residence. By using our calculator, you consent to the transfer of your information to countries that may have different data protection laws than your country.

We take appropriate measures to ensure your data is protected in accordance with this Privacy Policy, regardless of where it is processed.

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

We encourage you to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

If you have any questions about this Privacy Policy, you can contact us: