Legal notice
Privacy Policy
Last updated: May 27, 2026. ChemCalc at chemcalc.pro is operated personally by Saswati Bhattacharyya in West Bengal, India. This policy should be reviewed for GDPR, CCPA/CPRA, India's DPDP Act, and other laws that apply to your users.
Information we collect
ChemCalc is designed to collect minimal personal information. We do not currently collect names directly through the site and do not process payments. We may receive support messages if you contact us, device information, Google Analytics data where consent is required and given, Google AdSense advertising data where applicable, and cookie preferences. Calculator inputs are processed in the browser in this static version.
How we use information
We use information to provide the site, remember cookie choices, respond to support requests, prevent abuse, understand site performance, show or measure ads where allowed, and comply with legal obligations.
Payments
ChemCalc is currently free and does not collect payment information.
Sharing
We may share limited information with hosting providers, Google Analytics, Google AdSense, professional advisors, and authorities when legally required.
Your rights
Depending on your location, you may have rights to access, correct, delete, export, restrict, or object to processing of your personal information. You may request deletion of your data by contacting businessfaceless4@gmail.com.
International transfers
If ChemCalc serves users globally, information may be processed in countries with different data protection laws. Add transfer safeguards that match your vendors and legal setup.
Children
ChemCalc is intended for users aged 13 and older. If you are under the age of digital consent in your location, use ChemCalc only with permission from a parent, guardian, teacher, or school.
Marketing
ChemCalc does not currently send marketing emails or newsletters.
Contact
Privacy contact: businessfaceless4@gmail.com. Official website: https://chemcalc.pro. Operator: Saswati Bhattacharyya, West Bengal, India.