Get in Touch

Contact

Found an error, have a suggestion, or want to report a problem with a calculator? We'd like to hear from you.

Email

hello@chandanmajumder.com

What to include

  • Which calculator or page you’re using.
  • What you expected and what happened instead.
  • If it’s about data, any official source you’re referencing.

Please note: we can’t provide personal financial or tax advice, and we don’t respond to unsolicited marketing.