Cookie Policy
Welcome to the Calculator Archive Cookie Policy. This document explains how Calculator Archive (www.calculatorarchive.com) uses cookies, tracking technologies, and similar tools when you visit our free online calculator website.
By using Calculator Archive, you acknowledge and consent to the use of cookies as described in this Cookie Policy. If you do not agree with our use of cookies, please disable or restrict cookies through your browser settings or discontinue use of Calculator Archive immediately.
This Cookie Policy should be read alongside our Privacy Policy and Terms of Service, which provide additional details about how Calculator Archive handles your personal data and governs your use of our platform.
1What Are Cookies?
Cookies are small text files that are stored on your device (computer, tablet, or smartphone) when you visit a website. Cookies are widely used across the internet to make websites function efficiently, provide a better user experience, and deliver relevant information to website owners.
Cookies help websites remember your preferences, analyze how you interact with the site, and support advertising and analytics functions. Cookies can be set by the website you are visiting ("first-party cookies") or by third-party services operating on the website ("third-party cookies").
Cookies contain information such as:
- The name of the cookie
- The value of the cookie
- An expiration date
- The domain the cookie belongs to
- A path indicating where the cookie is valid
Cookies cannot execute code, access your hard drive, or install malware. They are simply text-based data files used to improve your browsing experience.
2Why Does Calculator Archive Use Cookies?
Calculator Archive uses cookies for several important purposes:
2.1 To Ensure Website Functionality
Cookies enable Calculator Archive to operate correctly and deliver the core features you expect from our free online calculator platform. Without essential cookies, our calculators may not function properly, pages may not load correctly, and certain features may be unavailable.
2.2 To Improve User Experience
Cookies help Calculator Archive remember your preferences, settings, and past interactions so that your next visit is smoother and more personalized. This includes remembering your calculator preferences, display settings, and navigation history.
2.3 To Analyze Website Performance
Calculator Archive uses analytics cookies to understand how visitors interact with our website. This data helps us identify which calculators are most popular, where users spend the most time, and what areas of the site need improvement. Analytics data is aggregated and does not personally identify you.
2.4 To Serve Relevant Advertising
Calculator Archive uses advertising cookies through Google AdSense to display advertisements that are relevant to your interests. These cookies help us generate revenue to keep Calculator Archive free while ensuring that advertisements are useful rather than intrusive.
2.5 To Ensure Security
Certain cookies help Calculator Archive detect and prevent fraudulent activity, protect against security threats, and ensure that our servers and systems remain secure for all users.
3Types of Cookies Calculator Archive Uses
Calculator Archive uses the following categories of cookies:
3.1 Essential Cookies
Essential cookies are strictly necessary for Calculator Archive to function. These cookies enable core features such as page navigation, calculator functionality, and security. Without essential cookies, our website cannot operate as intended.
Essential cookies cannot be disabled through our cookie consent tool because they are required for basic website operation. However, you can block essential cookies through your browser settings — though this may impair or prevent Calculator Archive from functioning correctly.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| session_id | Maintains your session while using calculators | Session | First-party |
| cookie_consent | Stores your cookie consent preferences | 1 year | First-party |
| security_token | Protects against CSRF attacks and security threats | Session | First-party |
3.2 Analytics Cookies
Analytics cookies collect information about how visitors use Calculator Archive. This includes data on which pages are visited, how long users spend on each calculator, how users navigate the site, and whether users encounter errors. All data collected through analytics cookies is aggregated and anonymized.
Calculator Archive uses Google Analytics as our primary analytics platform. Google Analytics uses cookies to track website traffic and user behavior patterns.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| _ga | Distinguishes unique users by assigning a randomly generated number | 2 years | Third-party (Google) |
| _ga_[container-id] | Maintains session state | 2 years | Third-party (Google) |
| _gid | Distinguishes unique users | 24 hours | Third-party (Google) |
| _gat | Throttles request rate to limit data collection on high-traffic sites | 1 minute | Third-party (Google) |
3.3 Functionality Cookies
Functionality cookies allow Calculator Archive to remember choices you make and provide enhanced, personalized features. These cookies may be set by Calculator Archive or by third-party providers whose services we have added to our platform.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| calculator_prefs | Remembers your preferred calculator settings | 30 days | First-party |
| language_pref | Stores your language preference | 1 year | First-party |
| theme_pref | Stores your display theme preference | 30 days | First-party |
3.4 Advertising Cookies
Advertising cookies are used to deliver advertisements relevant to your interests. These cookies track your browsing activity across websites and are used by advertising networks to build a profile of your interests and show you relevant ads on Calculator Archive and other websites.
Calculator Archive uses Google AdSense, which relies on advertising cookies to serve personalized advertisements. Google uses the DoubleClick DART cookie and other advertising cookies to track user behavior across the web for advertising purposes.
| Cookie Name | Purpose | Duration | Type |
|---|---|---|---|
| IDE | Used by Google DoubleClick for ad targeting and retargeting | 13 months | Third-party (Google) |
| NID | Stores preferences and other information such as preferred language | 6 months | Third-party (Google) |
| DSID | Used for ad personalization across devices | 2 weeks | Third-party (Google) |
| 1P_JAR | Collects website statistics and tracks conversion rates | 1 month | Third-party (Google) |
| ANID | Used for ad personalization | 13 months | Third-party (Google) |
| test_cookie | Checks if the user\'s browser supports cookies | 15 minutes | Third-party (Google) |
4Third-Party Cookies on Calculator Archive
In addition to cookies set directly by Calculator Archive, certain third-party services we use may set their own cookies on your device. These third-party cookies are governed by the privacy policies of the respective third-party providers, not by Calculator Archive\'s Cookie Policy.
4.1 Google Analytics Cookies
Google Analytics is a web analytics service provided by Google LLC. Google Analytics uses cookies to analyze website traffic and user behavior. The information generated by cookies about your use of Calculator Archive is transmitted to and stored by Google on servers in the United States and other countries.
Google uses this information to evaluate your use of Calculator Archive, compile reports on website activity, and provide other services related to website activity and internet usage. Google Analytics cookies do not personally identify you.
For more information on Google Analytics cookies, visit: policies.google.com/privacy/partners
4.2 Google AdSense Cookies
Google AdSense is an advertising service provided by Google LLC. Google AdSense uses cookies to serve personalized advertisements based on your browsing history and interests. When you visit Calculator Archive, Google AdSense may set cookies on your device to track your activity and deliver relevant advertisements.
Google AdSense cookies enable Google and its partners to serve ads based on your visits to Calculator Archive and other websites, limit the number of times you see an advertisement, measure the effectiveness of advertising campaigns, and build profiles of your interests for ad personalization.
For more information on Google AdSense cookies, visit: policies.google.com/technologies/ads
4.3 Other Third-Party Services
Calculator Archive may use additional third-party services that set cookies, including:
- CDN Services — Content delivery networks may set cookies to optimize content delivery
- Security Services — Security providers may set cookies to detect and prevent threats
- Social Media Plugins — If social sharing features are enabled, social media platforms may set cookies
Each third-party service operates under its own privacy and cookie policy. Calculator Archive encourages you to review the cookie policies of any third-party service you interact with on our website.
5How Google AdSense Cookies Work on Calculator Archive
Google AdSense is a primary revenue source that keeps Calculator Archive free for all users. Understanding how Google AdSense cookies work is important for making informed choices about your privacy.
5.1 Personalized Advertising
When you visit Calculator Archive, Google AdSense may use cookies to serve personalized advertisements. This means ads you see on Calculator Archive may be tailored to your interests based on:
- Your browsing history on Calculator Archive and other websites
- The content of the calculator page you are currently viewing
- Your geographic location (approximate, based on IP address)
- Your demographic information (if available to Google)
5.2 How Google AdSense Tracks Interests
Google AdSense uses cookies to build a profile of your interests based on the websites you visit. For example:
- If you visit Calculator Archive\'s mortgage calculator, Google may infer an interest in real estate or finance
- If you visit Calculator Archive\'s GPA calculator, Google may infer an interest in education
- If you visit Calculator Archive\'s BMI calculator, Google may infer an interest in health and fitness
This interest profile is used to serve more relevant advertisements on Calculator Archive and other websites that display Google AdSense ads.
5.3 Opting Out of Personalized Advertising
You have the right to opt out of personalized advertising through Google AdSense. If you opt out, you will still see advertisements on Calculator Archive, but they will not be personalized based on your browsing history.
To opt out of personalized advertising, you can visit:
- Google Ads Settings: https://www.google.com/settings/ads
- Network Advertising Initiative opt-out tool: networkadvertising.org/choices/
- Digital Advertising Alliance opt-out tool: optout.aboutads.info/
- European Interactive Digital Advertising Alliance opt-out tool: youronlinechoices.eu/
Opting out does not delete cookies — it simply tells Google not to use your browsing history to personalize the ads you see.
6How to Control and Manage Cookies
You have several options for controlling and managing cookies on Calculator Archive:
6.1 Browser Cookie Settings
Most web browsers allow you to control cookies through their settings. You can typically:
- Block all cookies — Block all websites from setting cookies. However, blocking essential cookies may prevent Calculator Archive from functioning.
- Block third-party cookies — Allows first-party cookies from Calculator Archive but blocks third-party cookies from services like Google Analytics and Google AdSense.
- Accept all cookies — Allow all cookies from Calculator Archive and third-party services.
- Delete cookies — Manually delete cookies that have already been set on your device.
Instructions for popular browsers:
- Google Chrome: Settings — Privacy and Security — Cookies and other site data
- Mozilla Firefox: Settings — Privacy & Security — Cookies and Site Data
- Safari: Preferences — Privacy — Manage Website Data
- Microsoft Edge: Settings — Privacy, Search, and Services — Cookies and site permissions
- Opera: Settings — Privacy & Security — Cookies
6.2 Google Analytics Opt-Out
If you wish to prevent Google Analytics from tracking your activity on Calculator Archive, you can install the Google Analytics Opt-Out Browser Add-On, available at: tools.google.com/dlpage/gaoptout
6.3 Google AdSense Opt-Out
To opt out of personalized advertising from Google AdSense, visit Google Ads Settings at: https://www.google.com/settings/ads
6.4 Calculator Archive Cookie Consent
When you first visit Calculator Archive, you may be presented with a cookie consent banner that allows you to choose which categories of cookies you accept. You can update your cookie preferences at any time by accessing the cookie settings through the link provided in the footer of our website.
7Impact of Disabling Cookies
If you choose to block or disable cookies on Calculator Archive, you may experience the following limitations:
| Cookie Category | Impact of Disabling |
|---|---|
| Essential Cookies | Calculator Archive may not function correctly. Calculators may fail to load or produce errors. |
| Analytics Cookies | We will be unable to track website usage and improve Calculator Archive based on user behavior. |
| Functionality Cookies | Your preferences will not be remembered between visits. You may need to reconfigure settings each time. |
| Advertising Cookies | You will still see advertisements, but they will not be personalized to your interests. |
Calculator Archive will continue to function with essential cookies disabled at a basic level, but the overall user experience may be significantly degraded.
8Cookies and Your Privacy
Calculator Archive takes your privacy seriously. Our use of cookies is designed to improve your experience, not to collect unnecessary personal information.
8.1 Data Collected Through Cookies
The data collected through cookies on Calculator Archive includes:
- Non-personal information — Browser type, operating system, device type, screen resolution, and language preferences.
- Usage data — Pages visited, time spent on each page, calculator usage patterns, and navigation paths.
- Advertising data — Ad impressions, ad clicks, and ad interaction metrics.
- Technical data — Page load times, server response times, and error reports.
8.2 What We Do NOT Collect Through Cookies
Calculator Archive does not use cookies to collect:
- Your name, email address, or contact information (unless you voluntarily provide it).
- Credit card numbers, financial account details, or payment information.
- Social security numbers or government-issued identification numbers.
- Health information or medical data.
- Calculator inputs or results (these are processed locally on your device).
8.3 Cookie Data Retention
Cookie data is retained for varying periods depending on the type of cookie: session cookies are deleted when you close your browser; persistent cookies remain for a specified period (see cookie tables above); and third-party cookies retention periods are set by the respective third-party services.
You can delete cookies at any time through your browser settings.
9Legal Basis for Using Cookies
9.1 Consent
For non-essential cookies (analytics, functionality, and advertising), Calculator Archive relies on your explicit consent. When you first visit our website, you are presented with a cookie consent mechanism that allows you to accept or reject non-essential cookies. You may withdraw your consent at any time.
9.2 Legitimate Interest
For essential cookies, Calculator Archive relies on legitimate interest as the legal basis. Essential cookies are strictly necessary for the website to function, and blocking them would prevent Calculator Archive from operating as intended.
9.3 Compliance with Regulations
Calculator Archive\'s cookie practices are designed to comply with applicable data protection regulations, including the General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA), ePrivacy Directive, and CAN-SPAM Act.
10Children\'s Cookies
Calculator Archive does not knowingly use cookies to collect personal information from children under the age of 13. Our website is designed as a general audience platform, and we do not target children with our content or advertising.
If we become aware that cookies are being used to collect personal information from children under 13, we will take immediate steps to disable those cookies and delete any associated data.
Parents and guardians who believe their child\'s personal information has been collected through cookies on Calculator Archive should contact us immediately at privacy@calculatorarchive.com.
11Updates to This Cookie Policy
Calculator Archive reserves the right to update or modify this Cookie Policy at any time. When we make changes, we will:
- Update the "Last Updated" date at the top of this page
- Post the revised Cookie Policy on this page
- Notify users of significant changes through a banner on Calculator Archive or via email if you have provided your contact information
We encourage you to review this Cookie Policy periodically to stay informed about how Calculator Archive uses cookies. Your continued use of Calculator Archive after any changes constitutes acceptance of the updated Cookie Policy.
12Contact Us About Cookies
If you have any questions, concerns, or requests regarding this Cookie Policy or Calculator Archive\'s use of cookies, please contact us:
We are committed to resolving any cookie-related concerns promptly and transparently. Your privacy is a priority at Calculator Archive.
13Cookie Consent Summary
| Cookie Category | Default Setting | Your Choice |
|---|---|---|
| Essential Cookies | Always Active | Cannot be disabled (required for site functionality) |
| Analytics Cookies | Off | You can enable or disable these |
| Functionality Cookies | Off | You can enable or disable these |
| Advertising Cookies | Off | You can enable or disable these |
You can change your cookie preferences at any time by accessing the cookie settings in the footer of Calculator Archive.
About Calculator Archive
Calculator Archive (www.calculatorarchive.com) is a free online calculator archive offering professional-grade calculation tools for math, finance, health, science, education, and everyday life. Used by students, teachers, professionals, and curious minds worldwide, Calculator Archive delivers instant, accurate results — no sign-up required.
Our mission is to make complex calculations simple, accessible, and free for everyone on the internet.
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