Contact Calcmoa

If a result looks wrong, you want to know which standard a calculator follows, or you would like a new calculator, send us an email. We read each message and update the calculator or the page text when needed.

How to reach us

Operator: site30cut
Email: n_nv711@naver.com

What to include

• Error reports: the calculator you used, the values you entered, the result you got and the result you expected.
• Questions about standards: which calculator and which item, and what rate, rule or formula you want explained.
• Outdated rules: a rate or rule that has changed and is not yet reflected on a calculator page.
• Suggestions for new calculators and improvements.
• Partnership, advertising or other site-operation enquiries.

How we reply

We reply by email to the address you write from. Email is the only contact channel we run. Please do not include sensitive personal information such as ID or bank account numbers.

Good to know

• Results are estimates for reference only. For decisions that involve real money, check the final figures with your lender, tax office, employer or other relevant institution.
• We use your email address only to answer your message. For how analytics and ad cookies work, see our privacy policy.