Privacy Policy
📋 Quick Summary (Plain English)
- CalcQube does not require account registration or collect your personal details to use any calculator.
- We display Google AdSense ads which use cookies and may personalize ads based on your browsing history.
- We use Google Analytics to understand how visitors use the site (page views, device type, country — anonymized).
- We do not sell your personal data to third parties. Ever.
- You can opt out of personalized advertising at any time via Google's ad settings.
- If you are in the EU/UK, we obtain your consent before placing non-essential cookies (GDPR).
- If you are in California, you have rights under CCPA including the right to know and opt out.
- CalcQube is not directed at children under 13 and we do not knowingly collect data from minors.
1. Overview & Introduction
Welcome to CalcQube ("we," "us," "our," or "the Website"). This Privacy Policy explains how CalcQube collects, uses, discloses and protects information when you visit our website and use our calculator tools.
CalcQube is a free online calculator platform providing 115+ calculators across categories including mathematics, taxation, finance, health, construction and more. Our website is accessible globally and serves users in every country.
By using CalcQube, you acknowledge that you have read, understood and agree to be bound by this Privacy Policy. If you disagree with any part of this policy, please discontinue use of our website.
🌐 Scope of This Policy
This policy applies to:
- All pages and calculators on the CalcQube website
- Information collected automatically when you visit (usage data, cookies)
- Advertising displayed through Google AdSense
- Analytics data collected through Google Analytics
This policy does NOT apply to third-party websites linked from CalcQube. Each linked website has its own privacy policy.
2. Information We Collect
2.1 Information You Provide Voluntarily
CalcQube does not require you to create an account or provide personal information to use any of our calculators. However, you may voluntarily provide information when:
- Contacting us via email for support or feedback
- Subscribing to optional newsletters or updates (if offered)
- Participating in surveys or feedback forms (if offered)
In such cases, we collect only what you choose to share: typically your name, email address and the content of your message.
2.2 Information Collected Automatically
When you visit CalcQube, our servers and third-party analytics tools automatically collect certain technical information, including:
- Log Data: IP address (anonymized), browser type and version, operating system, referring URL, pages visited, time and date of visit, time spent on pages
- Device Information: Device type (mobile/tablet/desktop), screen resolution, language preferences
- Geographic Data: Country and region (derived from IP address — not precise location)
- Usage Data: Which calculators you use, how long you spend, which features you interact with (all aggregated and anonymized)
- Calculator Inputs: Numbers and values entered into calculators are processed entirely in your browser and are never transmitted to our servers.
🔒 Important: Your Calculator Inputs Are Private
All calculations on CalcQube run entirely in your browser using JavaScript. Your income figures, tax details, health data, financial numbers — none of this is sent to our servers or stored anywhere. We have zero access to what you calculate.
2.3 Cookies and Similar Technologies
We use cookies and similar tracking technologies (web beacons, pixels) for the following purposes. See Section 5 for full details on cookie management and how to opt out.
2.4 Information from Third Parties
We receive aggregated, anonymized data from Google Analytics and Google AdSense about how our website is used and how ads perform. This data does not identify individual users.
3. How We Use Your Information
We use the information we collect for the following purposes:
3.1 Providing and Improving Our Service
- To operate and maintain the CalcQube website and calculator tools
- To monitor and analyze usage patterns to improve calculator accuracy and user experience
- To fix bugs, errors and technical issues
- To develop new calculators and features based on demand
- To ensure website security and prevent abuse or fraud
3.2 Advertising
- To display relevant advertisements through Google AdSense
- To measure ad performance and revenue
- To comply with Google's advertising policies
3.3 Communications
- To respond to your emails, support requests or feedback
- To send newsletters or updates (only with your explicit consent)
- To notify you of material changes to this Privacy Policy
3.4 Legal Compliance
- To comply with applicable laws, regulations and legal obligations
- To respond to lawful requests from government authorities
- To enforce our Terms of Use and protect our legal rights
⚖️ Legal Bases for Processing (GDPR)
- Legitimate Interests: Analytics, security monitoring, service improvement
- Consent: Non-essential cookies, personalized advertising, newsletters
- Legal Obligation: Compliance with applicable laws
- Contract Performance: Responding to your direct communications
4. Advertising — Google AdSense
📢 About Our Advertising
CalcQube is a free service funded partly by advertising revenue. We use Google AdSense, a service provided by Google LLC (or Google Ireland Limited for EEA/UK users), to display advertisements on our website.
4.1 How Google AdSense Works
Google AdSense uses cookies and similar technologies to display advertisements. These ads may be:
- Interest-based (personalized): Based on your previous browsing history across websites that use Google's advertising network
- Contextual: Based on the content of the page you are currently viewing
- Non-personalized: Shown to users who have opted out of personalized ads or in regions requiring consent
4.2 Google's Data Collection for Ads
When Google AdSense serves ads on CalcQube, Google may collect and use:
- Cookie data and device identifiers
- Your IP address (used to determine approximate location)
- Information about pages you visit on CalcQube and across the web
- Your browsing history (if you are signed into a Google account)
- Demographic and interest inferences
This data collection is governed by Google's Privacy Policy, available at policies.google.com/privacy.
4.3 Opting Out of Personalized Ads
You have several ways to opt out of personalized advertising:
- Google Ads Settings: adssettings.google.com — Manage what Google knows about you
- Google My Ad Center: myadcenter.google.com
- NAI Opt-Out: optout.networkadvertising.org
- DAA Opt-Out (US): optout.aboutads.info
- EDAA (Europe): youronlinechoices.eu
- Browser Cookie Settings: Block third-party cookies in your browser settings
4.4 Consent for Personalized Ads
For users in the European Economic Area (EEA), United Kingdom and Switzerland, we implement Google's Consent Management Platform (CMP) and only serve personalized ads where you have provided explicit consent. You can change your consent at any time via our cookie consent banner.
For users in California under CCPA, personalized advertising may constitute a "sale" of personal information. You may opt out via the "Do Not Sell My Personal Information" link in our footer (if applicable).
4.5 Google's Publisher Policies
As a Google AdSense publisher, CalcQube complies with all Google AdSense Program Policies, including restrictions on content, invalid clicks and invalid impressions. We do not click on our own ads or encourage others to do so.
5. Cookies & Tracking Technologies
Cookies are small text files placed on your device when you visit a website. We use the following categories of cookies:
5.1 Strictly Necessary Cookies
These cookies are essential for the website to function. They cannot be disabled.
| Cookie | Purpose | Duration |
|---|---|---|
| Session cookies | Maintain your session as you navigate between pages | Session |
| Cookie consent | Remember your cookie consent preferences | 12 months |
| Security tokens | Prevent cross-site request forgery (CSRF) | Session |
5.2 Analytics Cookies (Google Analytics)
We use Google Analytics 4 (GA4) to understand how visitors use CalcQube. Data collected is anonymized and aggregated.
| Cookie | Purpose | Duration |
|---|---|---|
| _ga | Distinguishes unique users; used by Google Analytics | 2 years |
| _ga_[ID] | Persists session state for Google Analytics | 2 years |
| _gid | Distinguishes users (24-hour retention) | 24 hours |
| _gat | Throttles request rate to Google Analytics | 1 minute |
We have enabled IP anonymization in Google Analytics, which truncates your IP address before storage. You can opt out of Google Analytics across all websites using the Google Analytics Opt-out Browser Add-on.
5.3 Advertising Cookies (Google AdSense)
These cookies are set by Google to serve personalized or contextual advertisements.
| Cookie | Purpose | Duration |
|---|---|---|
| IDE | Google DoubleClick — used to record user interactions with ads and measure conversions | 13 months |
| DSID | Identifies a signed-in user on non-Google sites to show personalized ads | 2 weeks |
| NID | Stores user preferences and information for Google services | 6 months |
| test_cookie | Checks if the user's browser supports cookies | 15 minutes |
| __gads / __gpi | Related to Google's advertising network; tracks ad engagement | 13 months |
5.4 Managing Cookies
You can control cookies through:
- Our Cookie Consent Banner: Displayed on first visit; allows you to accept or reject non-essential cookies
- Browser Settings: All major browsers allow you to manage, block or delete cookies
- Chrome: Settings → Privacy → Cookies
- Firefox: Settings → Privacy & Security → Cookies
- Safari: Preferences → Privacy → Manage Cookies
- Edge: Settings → Cookies and Site Permissions
- Private/Incognito Mode: Browse without storing cookies
⚠️ Note on Disabling Cookies
Disabling all cookies may affect website functionality. Strictly necessary cookies cannot be blocked as they are essential for the site to work. Blocking advertising cookies will result in non-personalized (less relevant) ads, not the removal of ads.
6. Third-Party Services
CalcQube integrates with the following third-party services. Each has its own privacy policy governing their data practices:
| Service | Provider | Purpose | Privacy Policy |
|---|---|---|---|
| Google AdSense | Google LLC / Google Ireland Ltd | Displaying advertisements; funding the free service | policies.google.com/privacy |
| Google Analytics 4 | Google LLC | Website traffic analysis; understanding user behavior | policies.google.com/privacy |
| Google Fonts | Google LLC | Loading custom typography (Clash Display, Cabinet Grotesk) | Google Fonts Privacy FAQ |
| Google Tag Manager | Google LLC | Managing analytics and marketing tags (if applicable) | policies.google.com/privacy |
We are not responsible for the privacy practices of these third-party services. We encourage you to review their respective privacy policies.
7. Data Sharing & Disclosure
✓ We Do Not Sell Your Data
CalcQube does not sell, rent, trade or otherwise transfer your personal information to third parties for their direct marketing purposes.
We may share information in the following limited circumstances:
7.1 Service Providers
We share data with Google (for AdSense and Analytics) as described in Section 4, 5 and 6. These are data processors acting on our behalf, bound by data processing agreements.
7.2 Legal Requirements
We may disclose your information if required by law or in good-faith belief that such disclosure is necessary to:
- Comply with a legal obligation, court order or government request
- Protect and defend the rights or property of CalcQube
- Prevent or investigate possible wrongdoing in connection with our service
- Protect the personal safety of users of our service or the public
- Protect against legal liability
7.3 Business Transfers
In the event of a merger, acquisition, sale of assets or bankruptcy, your information may be transferred as part of the business. We will notify you of any such change by posting a notice on CalcQube and updating this Privacy Policy.
7.4 Aggregated & Anonymized Data
We may share aggregated, anonymized statistical data (e.g., "10,000 users calculated mortgages this month") that cannot identify individual users, for marketing, research or business purposes.
8. Data Retention
We retain different categories of data for different periods:
| Data Type | Retention Period | Reason |
|---|---|---|
| Calculator inputs | Never stored | Processed only in your browser; never sent to our servers |
| Server log files | 30–90 days | Security monitoring and technical troubleshooting |
| Google Analytics data | 14 months (GA4 default) | Usage trend analysis; configurable in GA4 settings |
| Email correspondence | 2 years from last contact | Support history; legal compliance |
| Cookie consent records | 12 months | Demonstrating GDPR/regulatory compliance |
| Ad performance data | Per Google AdSense policy | Revenue tracking; governed by Google's retention policy |
When data is no longer needed, we delete or anonymize it securely. You may request deletion of your data by contacting us (see Section 18).
9. Your Rights (General)
Depending on your location, you have various rights regarding your personal data. We respect all applicable rights:
- Right to Know / Access: Request a copy of personal data we hold about you
- Right to Correction: Request correction of inaccurate data
- Right to Deletion: Request deletion of your personal data ("right to be forgotten")
- Right to Restriction: Request that we limit how we use your data
- Right to Object: Object to processing based on legitimate interests or for direct marketing
- Right to Portability: Receive your data in a structured, machine-readable format
- Right to Withdraw Consent: Withdraw consent at any time where processing is based on consent
- Right to Non-Discrimination: We will not discriminate against you for exercising your privacy rights
To exercise any of these rights, please contact us at the details in Section 18. We will respond within 30 days (or the timeline required by applicable law). We may need to verify your identity before processing your request.
10. GDPR — European Union, EEA & United Kingdom
🇪🇺 Applies To
This section applies to users in the European Union (EU), European Economic Area (EEA), and United Kingdom (UK) under the General Data Protection Regulation (GDPR) and UK GDPR respectively.
10.1 Data Controller
CalcQube is the data controller for personal data collected on this website. Our contact details are in Section 18.
For users in the EEA/UK, Google Ireland Limited (Gordon House, Barrow Street, Dublin 4, Ireland) acts as data controller for data collected through Google AdSense and Google Analytics.
10.2 Legal Bases for Processing
- Article 6(1)(a) — Consent: Non-essential cookies, personalized advertising, newsletters
- Article 6(1)(b) — Contract: Processing your communications and support requests
- Article 6(1)(c) — Legal Obligation: Compliance with EU/national laws
- Article 6(1)(f) — Legitimate Interests: Website security, analytics, fraud prevention, service improvement
10.3 Your GDPR Rights
Under GDPR Articles 15–22, you have the rights listed in Section 9, plus:
- Right to Lodge a Complaint: You may lodge a complaint with your local Data Protection Authority (DPA). Find your national DPA at edpb.europa.eu.
- UK ICO: UK users may contact the Information Commissioner's Office at ico.org.uk
10.4 Cookie Consent (ePrivacy / GDPR)
In compliance with the EU ePrivacy Directive and GDPR, we display a cookie consent banner to EEA/UK users before setting non-essential cookies. You can manage your consent at any time by clicking the "Cookie Settings" link in our footer.
10.5 Data Transfers Outside EEA/UK
When we transfer data to Google (US-based), we rely on:
- Google's Standard Contractual Clauses (SCCs) approved by the European Commission
- Google's participation in the EU-US Data Privacy Framework
11. CCPA / CPRA — California, USA
🇺🇸 Applies To
This section applies to California residents under the California Consumer Privacy Act (CCPA) as amended by the California Privacy Rights Act (CPRA).
11.1 Categories of Personal Information Collected
In the past 12 months, CalcQube has collected the following categories of personal information (as defined by CCPA):
- Identifiers: IP addresses (anonymized), cookie identifiers, device identifiers
- Internet/Electronic Activity: Pages visited, time spent, browser type, referring URLs
- Geolocation Data: Approximate location (country/state level, derived from IP)
- Inferences: Drawn by Google from browsing history for ad targeting (if you haven't opted out)
We do NOT collect: social security numbers, financial account data, precise geolocation, health data, biometric data, or information from children.
11.2 Sources of Personal Information
- Directly from you (voluntary communications)
- Automatically from your browser/device when you visit our website
- From Google Analytics and Google AdSense (aggregated/anonymized)
11.3 Business Purposes for Collection
Security monitoring, analytics, advertising display, service improvement, legal compliance.
11.4 "Sale" of Personal Information
CalcQube does not sell personal information in the traditional sense. However, under CCPA's broad definition, the sharing of identifiers with Google for advertising purposes may constitute a "sale" or "sharing."
California residents have the right to opt out of this by:
- Using the "Do Not Sell or Share My Personal Information" option in our cookie settings
- Visiting Google's ad opt-out at adssettings.google.com
- Enabling the Global Privacy Control (GPC) in your browser
11.5 Your CCPA/CPRA Rights
- Right to Know: Request disclosure of personal information collected about you in the past 12 months
- Right to Delete: Request deletion of your personal information (subject to exceptions)
- Right to Correct: Request correction of inaccurate personal information
- Right to Opt-Out: Opt out of sale/sharing of personal information
- Right to Limit: Limit use of sensitive personal information (we don't collect sensitive PI)
- Right to Non-Discrimination: We will not discriminate against you for exercising CCPA rights
To submit a CCPA request, email us at the address in Section 18 with subject line "CCPA Privacy Request." We will respond within 45 days (extendable by 45 days with notice).
11.6 Authorized Agent
You may designate an authorized agent to submit requests on your behalf. We may require written proof of authorization and may verify your identity before processing requests from agents.
12. India — Digital Personal Data Protection Act 2023 (DPDP)
🇮🇳 Applies To
This section applies to users in India under the Digital Personal Data Protection (DPDP) Act, 2023, which came into force in 2024–2025.
12.1 Data Fiduciary
CalcQube acts as the Data Fiduciary for personal data of Indian users. We process your personal data for the purposes described in this policy and implement appropriate technical and organizational security measures.
12.2 Consent
Under the DPDP Act, we obtain your consent before processing personal data for non-essential purposes (such as personalized advertising). Your consent is:
- Free — not conditional on using the service
- Informed — you understand what data is collected and why
- Specific — separate consent for different processing purposes
- Unconditional — you can withdraw it at any time
- Unambiguous — obtained through a clear affirmative action
12.3 Your Rights Under DPDP Act
- Right to Information: Know what personal data is being processed and the purposes
- Right to Correction & Erasure: Request correction of inaccurate data or erasure of data no longer necessary
- Right of Grievance Redressal: Contact our Grievance Officer with complaints
- Right to Nominate: Nominate another person to exercise rights on your behalf in case of death or incapacity
12.4 Grievance Officer (India)
In accordance with the DPDP Act 2023, any Indian user may contact our Grievance Officer:
12.5 Data Localization
CalcQube's servers are located outside India. As a cross-border data transfer, we ensure appropriate safeguards are in place as required by the DPDP Act and any applicable rules notified by the Indian government. Calculator inputs are processed locally in your browser and never transmitted.
13. Other Country-Specific Rights
CalcQube respects privacy laws in all jurisdictions. The following summarizes your rights in other major regions:
| Country / Region | Applicable Law | Your Key Rights | Regulatory Authority |
|---|---|---|---|
| 🇦🇺 Australia | Privacy Act 1988APPs | Access, correction, complaints to OAIC | OAIC |
| 🇨🇦 Canada | PIPEDACASLQuebec Law 25 | Access, correction, withdrawal of consent, complaints to OPC | OPC Canada |
| 🇧🇷 Brazil | LGPD | Access, correction, deletion, portability, opt-out of consent | ANPD |
| 🇸🇬 Singapore | PDPA 2012 | Access, correction, withdrawal of consent, data portability | PDPC |
| 🇹🇭 Thailand | PDPA 2019 | Access, rectification, erasure, objection, portability | PDPC Thailand |
| 🇯🇵 Japan | APPI | Disclosure, correction, deletion, suspension of use | PPC Japan |
| 🇰🇷 South Korea | PIPA | Access, correction, deletion, suspension; one of the strictest laws globally | PIPC |
| 🇿🇦 South Africa | POPIA | Access, correction, deletion, objection to direct marketing | InfoReg |
| 🇦🇪 UAE | PDPL 2021 | Access, correction, deletion, restriction of processing | UAE TDRA |
| 🇸🇦 Saudi Arabia | PDPL 2021 | Access, correction, deletion, withdrawal of consent | SDAIA |
| 🇨🇭 Switzerland | nFADP 2023 | Similar to GDPR — access, correction, deletion, portability | FDPIC |
| 🇳🇿 New Zealand | Privacy Act 2020 | Access, correction, complaints to Privacy Commissioner | OPC NZ |
| 🇲🇽 Mexico | LFPDPPP | ARCO rights — Access, Rectification, Cancellation, Opposition | INAI |
| 🇮🇩 Indonesia | PDP Law 2022 | Access, correction, deletion, withdrawal of consent | Ministry of Comm & IT |
| 🇵🇰 Pakistan | PDPB (pending) | Awaiting enactment; we apply international best practices | — |
| 🇺🇸 Other US States | VCDPA (VA)CPA (CO)CTDPA (CT)UCPA (UT) | Access, correction, deletion, opt-out of targeted advertising and profiling | State AGs |
Regardless of your location, you may contact us at the details in Section 18 to exercise your privacy rights. We will apply the highest applicable standard to your request.
14. Children's Privacy (COPPA & Global)
🔴 Important: CalcQube Is Not For Children Under 13
CalcQube is a general-audience website not directed at children. We do not knowingly collect personal information from children under 13 (or 16 in certain jurisdictions).
14.1 COPPA Compliance (United States)
In compliance with the Children's Online Privacy Protection Act (COPPA), CalcQube does not:
- Knowingly collect personal information from children under 13
- Direct advertising toward children under 13
- Allow children under 13 to create accounts or submit forms
If we discover that we have inadvertently collected personal information from a child under 13, we will delete it immediately. If you believe a child under 13 has provided us with personal information, please contact us at the details in Section 18.
14.2 EU/UK — Children Under 16
Under GDPR, processing personal data of children under 16 (or 13 in some member states) requires parental consent. CalcQube does not knowingly collect data from children under 16 in the EEA/UK without verifiable parental consent.
14.3 India — Children Under 18
Under the DPDP Act 2023, we do not process personal data of children under 18 without verifiable parental consent. We do not engage in tracking, behavioral monitoring or targeted advertising directed at children.
14.4 Google's Child Safety Policies
Our use of Google AdSense complies with Google's policies on child-directed content. Pages that may be visited by children do not serve personalized ads.
15. Data Security
We implement appropriate technical and organizational measures to protect your information against unauthorized access, alteration, disclosure or destruction:
- HTTPS / TLS Encryption: All data transmitted between your browser and our servers is encrypted using TLS (Transport Layer Security)
- Browser-Only Processing: All calculator computations happen in your browser — no sensitive financial or personal data is ever transmitted to our servers
- Access Controls: Access to any data we do collect is restricted to authorized personnel on a need-to-know basis
- Regular Security Reviews: We periodically review our security practices and update them as needed
- No Data Warehousing: We do not store your calculator inputs, browsing history on our site beyond anonymized analytics aggregates
⚠️ Security Disclaimer
No method of transmission over the Internet or electronic storage is 100% secure. While we use commercially reasonable means to protect your information, we cannot guarantee absolute security. In the event of a data breach affecting your rights, we will notify you as required by applicable law.
15.1 Data Breach Notification
In the event of a data breach that poses a risk to your rights and freedoms, we will:
- Notify the relevant supervisory authority within 72 hours (GDPR requirement)
- Notify affected users without undue delay where the breach is likely to result in a high risk to their rights
- Document all breaches in our internal breach register
16. International Data Transfers
CalcQube operates globally and your information may be transferred to and processed in countries other than your own. Specifically:
- Our website servers may be located in the United States or other countries
- Google processes data in the United States and other countries where Google operates data centers
- These countries may have different data protection laws than your country of residence
For transfers from the EEA/UK, we rely on:
- EU-US Data Privacy Framework (DPF): For transfers to Google (US)
- Standard Contractual Clauses (SCCs): EU Commission-approved model clauses
- Adequacy Decisions: Where the European Commission has recognized adequate protection
For transfers involving Indian data under the DPDP Act, we ensure transfers are to countries notified by the Indian government as having adequate protection, or we apply appropriate safeguards.
17. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements or for other business reasons. When we make material changes, we will:
- Post the updated policy on this page with a new "Last Updated" date
- Display a prominent notice on our website for a reasonable period
- Where required by law, seek your renewed consent
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information. Your continued use of CalcQube after changes are posted constitutes your acceptance of the revised policy.
Previous versions of this Privacy Policy are available upon request by contacting us.
18. Contact Us
If you have any questions, concerns or requests regarding this Privacy Policy or your personal data, please contact us:
✓ We Take Privacy Seriously
We are committed to resolving privacy concerns fairly and promptly. If you are not satisfied with our response, you have the right to lodge a complaint with the appropriate supervisory authority in your country (see Section 13 for authority links).
This Privacy Policy was last updated in May 2025 and is effective as of January 1, 2025.
© 2025 CalcQube. All rights reserved.