Contact

We welcome questions, feedback, and suggestions about the tools and resources on this site.

How to reach us

For general inquiries, tool suggestions, corrections, or partnership discussions, please contact us via email:

Email: contact@wanhty.com

Response time

We aim to respond to messages within 2-3 business days. If you are reporting a technical issue with a specific calculator or page, please include the page URL and a brief description of what you were trying to do.

What to contact us about

• Tool suggestions or feature requests for existing calculators
• Corrections or clarifications for any guide or reference page
• Technical issues with the site
• Advertising or partnership inquiries
• General feedback about the site

Please note: the tools on this site provide general guidance only. For professional, legal, medical, or financial advice, consult a qualified professional in your area.

Last updated: 2026-05-12.