Contact

Questions, corrections, tool requests, or bug reports — drop us a line.

Email: info@materialcalc.net

We read every message and usually reply within 2–3 business days.

Good things to include

• The tool you were using (e.g. "paint calculator").
• The numbers you entered.
• The result you got vs. what you expected — and, ideally, why.
• The device and browser (mobile Safari, desktop Chrome, etc.) if it's a display issue.