Privacy Policy

Last updated: April 26, 2026

      Plain English summary: calculatorapp.io does not require you to create an account. We do not sell your data. All calculations happen in your browser. We use Google AdSense to serve ads and Google Analytics to understand traffic. We use cookies only as required by these services.
    

1. Who We Are

calculatorapp.io ("we," "us," or "our") is a free online calculator and tools website. Our registered contact email is [email protected]. This Privacy Policy describes how we handle information when you visit https://calculatorapp.io and any pages within that domain.

2. Information We Collect

2a. Information You Provide

We do not require account registration to use any calculator on this site. If you contact us by email, we receive and store your email address and the contents of your message solely to respond to your inquiry. We do not add contact emails to any mailing list without explicit consent.

2b. Information Collected Automatically

When you visit our site, standard web server logs and analytics tools may collect:

Your browser type and version
Your operating system
Pages visited and time spent on each page
The referring URL (where you came from)
Your approximate geographic location (country/region level, derived from IP address)
Device type (desktop, mobile, tablet)

This information is used in aggregate to understand how visitors use our site and to improve our calculators and content. We do not use this data to identify individual users.

2c. Calculator Inputs

All calculations performed on calculatorapp.io run entirely within your browser. The numbers and values you enter into our calculators are not transmitted to our servers and are not stored, logged, or analyzed. When you close or refresh the page, your input data is gone.

3. Cookies

We use cookies in the following limited ways:

Google Analytics: We use Google Analytics to understand aggregate traffic patterns. Google Analytics sets cookies to distinguish unique visitors and sessions. You can opt out using the Google Analytics Opt-out Browser Add-on.
Google AdSense: We display ads served by Google AdSense. Google may use cookies to show you relevant ads based on your interests. You can manage your ad preferences at Google Ad Settings.

We do not use cookies for any purpose beyond those listed above. We do not set first-party cookies that track you across other websites.

4. Third-Party Services

Our site uses the following third-party services, each with their own privacy practices:

Google AdSense — advertising. Google Privacy Policy
Google Analytics — traffic analytics. Google Privacy Policy
Google Fonts — typography (DM Sans, DM Mono). Font requests are sent to Google's servers when pages load.
Google News RSS — our News page fetches public news headlines via Google News. We do not store or log these requests.

5. How We Use Your Information

We use collected information only to:

Operate and maintain the website and its calculators
Analyze aggregate traffic to improve content and user experience
Respond to direct email inquiries
Display contextually relevant advertising through Google AdSense

We do not sell, rent, or share personally identifiable information with any third party for marketing purposes.

6. Data Retention

Email correspondence is retained for up to 12 months and then deleted. Analytics data is retained according to Google Analytics' standard data retention policies (14 months by default). We do not retain any calculator input data because none is ever collected.

7. Your Rights

Depending on your location, you may have the right to:

Request access to any personal information we hold about you
Request correction or deletion of your personal information
Object to or restrict our processing of your information
Withdraw consent at any time where processing is based on consent

To exercise any of these rights, contact us at [email protected]. We will respond within 30 days.

8. Children's Privacy

Our website is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us and we will delete it promptly.

9. Changes to This Policy

We may update this Privacy Policy from time to time. When we do, we will update the "Last updated" date at the top of this page. Material changes will be noted prominently. Continued use of the site after changes constitutes acceptance of the revised policy.

10. Contact Us

Questions about this Privacy Policy? Contact us at [email protected] or visit our Contact page.