Contact Us

General Inquiries & Support:
For bug reports, feature requests, or partnership proposals, email us at 你的邮箱

We aim to respond within 1–2 business days. Please include "AsphaltCalc" in the subject line for faster processing.

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Site Purpose & Transparency:
AsphaltCalc provides free, browser-based material estimators for homeowners, contractors, and project planners. All calculations run locally in your browser. We do not sell user data or require account registration.

If you find a calculation error or have updated density/pricing data from a certified supplier, we welcome your feedback to improve accuracy for the community.