Contact
Contact MaterialRaft
Questions, corrections, or feedback about our free home material calculators? Contact the MaterialRaft team.
Email us
Contact us about a calculation error, a missing project assumption, an accessibility issue, or a correction to a guide. We read the messages sent to the above address; please use a clear subject line describing the problem.
How to report a calculation problem
- Name the calculator (for example, Tile Calculator).
- Include your inputs, selected units, and the displayed result.
- Explain what you expected and why, including any relevant manufacturer yield or package coverage.
- Include your browser and device type if you encountered a display issue.
Please do not send payment card details, account passwords, or other sensitive personal information.
Related information
Read how our calculators work, the privacy policy, or return to our free calculators.