Contact
Reach out for partnerships, feedback, or site inquiries.
Partnerships & Advertising
QuarterlyTaxCalc.com is part of the Calc-HQ network of free financial utility tools. For partnership inquiries, sponsorship opportunities, or advertising questions:
We typically respond within 2 business days.
Feedback & Bug Reports
Found a calculation issue, a broken layout, or have a suggestion for improving the tool? We welcome feedback.
Please email partnerships@calc-hq.com with:
- A description of the issue or suggestion
- The inputs you used when you encountered the problem (do not include sensitive personal data)
- Your browser and device type
Please do not send tax returns, Social Security numbers, or any sensitive personal financial documents. This is not a tax preparation service.
About the Calc-HQ Network
QuarterlyTaxCalc.com is one of several free financial utility sites in the Calc-HQ network. All tools are static, client-side, and follow a zero-data model — nothing you enter is ever stored or transmitted.
If you run a finance, accounting, or business-related website and are interested in a content partnership or link exchange, reach out at partnerships@calc-hq.com.