Contact Us
Last updated: March 2026
We'd Love to Hear From You
Whether you have a question about our construction calculators, need help estimating materials for your next project, or want to share feedback on how we can improve, the HammerIO team is here to help. We are committed to providing the most accurate and easy-to-use construction and home improvement calculators available online, and your input plays a vital role in making that happen.
We strive to respond to all inquiries within 1-2 business days. Please use the appropriate email address below based on the nature of your inquiry so we can route your message to the right team member.
General Inquiries
For general questions, feedback, partnership opportunities, calculator suggestions, or anything else related to HammerIO, please reach out to us at:
This is the best address for questions such as:
- How to use a specific calculator
- Suggestions for new construction calculators
- Reporting errors or inaccuracies in estimates
- Business partnerships and collaboration opportunities
- Press and media inquiries
- General comments and feedback about the site
Technical Support
Experiencing a technical issue with one of our calculators? Having trouble with a specific feature or getting unexpected results? Our support team can help troubleshoot and resolve any problems you encounter.
When reaching out for technical support, it helps if you include:
- Which calculator you were using
- The measurements or values you entered
- What result you received versus what you expected
- Your browser and device type (e.g., Chrome on Windows, Safari on iPhone)
- Screenshots if applicable
Privacy Inquiries
For questions related to your privacy, data handling, cookie preferences, or requests under applicable privacy laws (such as GDPR or CCPA), please contact our privacy team at:
You can also review our full Privacy Policy for detailed information about how we handle your data.
Important Note About Construction Advice
Please note that HammerIO provides construction and home improvement calculators for estimation and planning purposes only. Our team cannot provide professional engineering, architectural, or contracting advice. For project-specific guidance, we strongly recommend consulting with licensed contractors, structural engineers, or local building authorities in your area.
If you need help finding a qualified professional for your construction project, consider contacting your local building department or a professional trade association in your region.