Privacy Policy

Summary (Plain English)

We built this calculator with privacy as a priority. Here's the short version:

• We don't collect your personal data. The numbers you enter into our calculator (weight, height, age, etc.) never leave your device.
• All calculations happen in your browser. When you use our calculator, the math is performed locally on your computer or phone using JavaScript. Nothing is sent to our servers.
• We don't store your health information. We have no database of user weights, calorie targets, or weight loss goals. We couldn't access your data even if we wanted to—because we never receive it.

The rest of this policy provides more detail for those who want it.

Information We Don't Collect

Unlike many health and fitness websites, we've designed our service to minimize data collection. Specifically, we do not collect:

• Account information: We don't require registration. There are no usernames, passwords, or user profiles.
• Health data: Your weight, height, age, activity level, and calorie calculations are processed entirely in your browser and are never transmitted to us.
• Financial information: We don't sell anything, so we never ask for payment details.
• Location data: We don't request or track your precise location.
• Calculator history: We don't store your previous calculations or results. Each session starts fresh.

When you close your browser tab, your calculator inputs disappear. We have no way to see what numbers you entered or what results you received.

Information That May Be Collected

While we don't collect personal data through our calculator, some information may be collected through standard web infrastructure:

Analytics

We may use basic analytics to understand how our site is used. This typically includes:

• Pages visited and general navigation patterns
• Country or region (based on IP address, not precise location)
• Device type (mobile, tablet, desktop)
• Browser type and version
• Referring website (how you found us)

This data is aggregated and anonymized. We use it to understand which pages are popular and whether the site works well on different devices—not to track individual users.

Server Logs

Like most websites, our hosting provider may automatically log basic request information including IP addresses, timestamps, and pages requested. These logs are used for security monitoring and troubleshooting, and are typically retained for a limited period before being deleted.

Cookies

Our calculator itself does not require cookies to function. However, if we use analytics services, they may set cookies to distinguish between new and returning visitors. These are standard analytics cookies and do not contain personal information. You can block or delete cookies through your browser settings without affecting the calculator's functionality.

Contact Data

If you choose to contact us via email, we will receive the information you include in your message (your email address, name, and message content). We use this information solely to respond to your inquiry. We do not add you to mailing lists, sell your contact information, or share it with third parties for marketing purposes.

If you'd like your correspondence deleted after we've responded, simply send us an email requesting deletion and we'll remove it from our records.

Third-Party Services

We use a limited number of third-party services to operate this website:

• Vercel: Our website is hosted on Vercel. They may collect standard server logs as described above. See Vercel's Privacy Policy for details.

We do not currently display advertisements on this website. If this changes in the future, we will update this policy accordingly.

Cookies

Cookies are small text files stored on your device by websites you visit. Here's our honest assessment of cookies on this site:

• Essential cookies: Our calculator does not require any cookies to function. You can use it with cookies completely disabled.
• Analytics cookies: If we use analytics services, they may set cookies to track anonymous usage statistics. These help us understand how the site is used but do not identify you personally.
• Third-party cookies: Our hosting service may set its own cookies according to its privacy policy.

You can manage cookie preferences through your browser settings. Blocking cookies will not prevent you from using our calculator.

Your Rights

Because we collect minimal data, there's limited personal information for us to manage. However, you have the right to:

• Request deletion: If you've contacted us through our form, you can request that we delete your contact information and correspondence.
• Ask questions: You can contact us at any time to ask what data we have about you (the answer will almost certainly be "none" unless you've contacted us directly).
• Opt out of analytics: You can use browser extensions or settings to block analytics tracking.

To exercise any of these rights, email us at info@caloriedeficitcalc.org.

Children's Privacy

Our calculator is designed for adults planning their nutrition. We do not knowingly collect personal information from children under 13 years of age. If you believe a child has submitted personal information to us (for example, through the contact form), please contact us and we will delete it promptly.

Children and teenagers should consult with a parent, guardian, or healthcare provider before making dietary changes.

Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. When we make changes:

• The updated policy will be posted on this page
• The "Last Updated" date at the bottom will be revised
• For significant changes, we may add a notice on the homepage

We encourage you to review this policy periodically. Your continued use of the website after changes are posted constitutes acceptance of the updated policy.

Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us:

Email: info@caloriedeficitcalc.org

We'll do our best to respond to privacy-related inquiries within 48-72 hours.

Last Updated: January 2026