🔒 Your Privacy Matters

Privacy Policy

At Health Calculator, we value your privacy and are committed to being transparent about how information may be collected, used, and protected when you visit our website or use our online calculators and tools.

Effective Date: September 21, 2026   |   Last Updated: September 21, 2026
Privacy at a glance: Health Calculator provides free online health and wellness tools. Calculator inputs are intended to be processed locally in your browser. We may also use cookies, analytics technologies, and advertising services such as Google AdSense, which may collect certain technical and usage information as described below.

1. Introduction

Welcome to HealthCalculator.co ("Health Calculator," "we," "our," or "us"). This Privacy Policy explains how information is handled when you access or use our website, calculators, articles, tools, and related features.

By using HealthCalculator.co, you acknowledge the practices described in this Privacy Policy. If you do not agree with this policy, you may choose not to use the website.

This Privacy Policy applies to information collected through HealthCalculator.co. It does not necessarily apply to information collected independently by third-party websites, advertising networks, analytics providers, or other services that may be linked to or integrated with our website.

2. Information We May Collect

The type of information associated with your visit depends on how you interact with the website.

Information You Voluntarily Provide

If you choose to contact us, submit feedback, or communicate with us through a form or other available method, you may voluntarily provide information such as:

  • Your name;
  • Email address;
  • The contents of your message;
  • Feedback or questions you submit; and
  • Any other information you voluntarily choose to provide.

Information Collected Automatically

When you visit our website, our hosting provider, analytics services, advertising partners, or other technology providers may automatically receive certain technical or usage information, which can include:

  • Internet Protocol (IP) address;
  • Browser type and browser version;
  • Device type and operating system;
  • Approximate geographic region;
  • Referring and exit pages;
  • Pages viewed on our website;
  • Date and time of your visit;
  • General interaction and usage information;
  • Cookie or device identifiers; and
  • Diagnostic, security, and performance information.

This type of information is generally used to operate, protect, analyze, improve, and understand use of the website.

3. Health Calculator Inputs & Results

HealthCalculator.co provides calculators that may ask you to enter information such as age, height, weight, activity level, measurements, sleep-related information, or other values required to generate a calculation.

Important privacy information: Our calculators are designed so that calculations can be performed locally within your web browser. We do not require you to create an account in order to use our standard calculators.

Information entered into a calculator is used to generate the requested result. Calculator results are provided for informational and educational purposes.

Some features may allow information or calculation history to be temporarily stored in your browser using technologies such as local storage. Browser-stored information remains subject to your browser settings and can generally be removed by clearing your browser data.

Medical Notice: Health Calculator is not a healthcare provider. Calculator results are estimates and are not a diagnosis, treatment recommendation, or substitute for professional medical advice.

4. How We Use Information

Information associated with the operation of the site may be used for purposes including:

  • Providing and operating our website and calculators;
  • Responding to questions or feedback;
  • Maintaining website security and preventing abuse;
  • Diagnosing technical problems;
  • Understanding how visitors use our website;
  • Improving website content, usability, and performance;
  • Measuring website traffic and engagement;
  • Displaying and measuring advertising;
  • Complying with legal obligations; and
  • Protecting our rights, users, and services.

5. Cookies & Similar Technologies

HealthCalculator.co and services used on our website may use cookies and similar technologies such as local storage, pixels, tags, web beacons, or other identifiers.

A cookie is a small data file stored on or associated with your browser or device. Cookies may be used for purposes such as:

  • Remembering website preferences;
  • Maintaining website functionality;
  • Measuring website traffic and performance;
  • Detecting fraud or invalid traffic;
  • Understanding user interactions;
  • Measuring advertising effectiveness; and
  • Providing personalized or non-personalized advertising where permitted.

First-Party and Third-Party Cookies

We may use both first-party cookies, which are associated with HealthCalculator.co, and third-party cookies, which are associated with services provided by other companies.

You can generally control, block, or delete cookies through your browser settings. Disabling certain cookies may affect the functionality of some websites or services.

6. Google AdSense & Third-Party Advertising

HealthCalculator.co uses or may use Google AdSense and other advertising services to display advertisements and help support the operation of this website.

Third-party vendors, including Google, may use cookies, web beacons, IP addresses, or other technologies in connection with advertising served on our website.

Third-party vendors, including Google, may use cookies to serve ads based on a user's previous visits to HealthCalculator.co and/or other websites.

Google's use of advertising cookies enables Google and its partners to serve ads to users based on visits to this website and/or other websites on the Internet.

Depending on applicable law, user consent, advertising settings, and Google's policies, advertisements may be personalized or non-personalized.

Personalized Advertising Choices

Users can learn about or manage personalized advertising from Google through:

How Google Uses Data

For additional information about how Google may use information from websites and applications that use Google services, please review:

How Google uses information from sites or apps that use Google services

Other advertising partners or ad networks, if used, may also use cookies or similar technologies according to their own privacy policies.

7. Analytics & Website Measurement

We may use analytics and website measurement services, including services provided by Google or other providers, to better understand website traffic, performance, and how visitors interact with our content.

Analytics providers may process information such as your IP address, device information, browser type, approximate location, pages visited, referring source, interaction information, and cookie or device identifiers.

This information helps us understand which content and tools are useful, troubleshoot website problems, and improve the user experience.

You can learn more about Google's general privacy practices at: Google Privacy Policy .

8. Third-Party Service Providers

We may rely on third-party companies to support certain website functions. These may include:

  • Website hosting providers;
  • Security and spam-prevention services;
  • Website analytics providers;
  • Advertising and ad measurement providers;
  • Content delivery networks;
  • Technical infrastructure providers; and
  • Other services necessary to operate the website.

These providers may process certain information as necessary to provide their services and are governed by their own terms and privacy policies.

We do not control the privacy practices of independent third-party websites or services.

9. Your Privacy Choices

Depending on your browser, device, location, and the services used on our website, you may have several ways to manage your privacy.

Browser Controls

Most browsers allow you to view, block, or delete cookies. Please refer to your browser's settings or help documentation for instructions.

Advertising Controls

You can manage certain Google advertising preferences through Google Ads Settings or My Ad Center .

Consent Controls

Where required by applicable privacy laws, visitors may be presented with choices regarding cookies and the use of personal data for advertising or other purposes.

Your available choices can differ depending on your country or region.

10. Your Privacy Rights

Depending on where you live, applicable privacy laws may provide you with certain rights regarding personal information, subject to exceptions and legal requirements.

These rights may include the right to:

  • Request access to personal information;
  • Request correction of inaccurate information;
  • Request deletion of certain personal information;
  • Request restriction of certain processing;
  • Object to certain processing;
  • Withdraw consent where processing relies on consent;
  • Request data portability where applicable;
  • Opt out of certain targeted or personalized advertising where required by law; and
  • Submit a complaint to an appropriate data protection authority where applicable.

We do not sell personal information for monetary compensation. Certain advertising or data-sharing activities may, however, be defined differently under particular privacy laws. Where legally required, we will provide applicable notices or choices.

To make a privacy-related request concerning information controlled by Health Calculator, please contact us using the method provided in the Contact Us section below.

11. Data Retention

Where we directly receive personal information, such as through a communication you send to us, we retain it only for as long as reasonably necessary for the purpose for which it was collected, to maintain records, resolve disputes, protect the website, or comply with legal obligations.

Information processed independently by third-party services is subject to the retention practices of those providers.

12. Data Security

We take reasonable technical and organizational steps intended to protect our website and information under our control against unauthorized access, misuse, loss, alteration, or disclosure.

However, no website, Internet transmission, electronic storage system, or security method can be guaranteed to be completely secure. Therefore, we cannot guarantee absolute security.

13. Children's Privacy

HealthCalculator.co is intended to provide general informational tools and is not designed to knowingly collect personal information from children under the age of 13.

If you are a parent or legal guardian and believe that a child has provided personal information directly to us, please contact us so that we can review the request and take appropriate action.

Users who are minors should use health-related information with the involvement of a parent, guardian, or qualified healthcare professional where appropriate.

15. International Visitors

HealthCalculator.co may be accessed by users from different countries and regions. Privacy and data protection laws may vary based on your location.

Where required, we and our service providers may take steps to comply with applicable requirements relating to notice, consent, advertising, cookies, and personal data processing.

16. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes to our website, technology, advertising practices, third-party services, legal requirements, or privacy practices.

When we make changes, the "Last Updated" date at the top of this page will be revised.

We encourage visitors to review this Privacy Policy periodically to stay informed about our privacy practices.

17. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or the way information is handled by HealthCalculator.co, please contact us through our official Contact Us page.

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