Contact Us
Have a question, found a bug, or want to suggest a feature? We'd love to hear from you. Reach us at info@drainagecalculators.com.
Report a Bug or Issue
If you encounter incorrect results, unexpected behavior, or any other issue with one of our calculators, please let us know. To help us resolve the problem quickly, include:
- Which calculator you were using
- The input values you entered
- The result you received and what you expected instead
- Your browser and device (e.g., Chrome on Windows, Safari on iPhone)
Send bug reports to info@drainagecalculators.com with "Bug Report" in the subject line.
Feature Requests
We are always looking to improve DrainageCalculators.com. If you have an idea for a new calculator, an enhancement to an existing tool, or a reference table you'd like to see added, we welcome your suggestions.
Email your ideas to info@drainagecalculators.com with "Feature Request" in the subject line.
Technical Questions
DrainageCalculators.com provides educational tools and reference resources for stormwater and drainage calculations. While we are happy to answer questions about how our calculators work, the methods they use, and their intended applications, please note that we cannot provide professional engineering advice or project-specific design recommendations.
For project-specific questions, site-specific design, or anything that requires a professional seal, we recommend consulting a licensed Professional Engineer (PE) in your jurisdiction.
DrainageConnect Products
For inquiries about drainage products, pricing, availability, or technical specifications, please visit our sister site:
DrainageConnect carries a full line of drainage products including catch basins, channel drains, pipe fittings, and accessories for residential and commercial projects.