Terms
Last updated August 8, 2026.
Acceptance
By using Quality Metrics Explained, you agree to use the site for general informational and planning purposes and to apply your own judgment to every result.
No professional relationship
Use does not create an engineering, legal, accounting, consulting, employment, procurement, environmental, safety or other professional relationship.
Calculator estimates
Results depend on user inputs and simplified formulas. They may omit taxes, financing, downtime, weather, code requirements, contractual terms, uncertainty or other material factors.
Safety and compliance
Never use a site calculation to override manufacturer instructions, emergency procedures, life-safety requirements, building/fire/electrical codes, environmental rules, employment standards, accessibility requirements or directions from the authority having jurisdiction.
No warranty and limitation
The site is provided “as is” without warranties. To the extent permitted by law, the publisher is not responsible for losses arising from reliance on estimates, external links, advertisements or third-party content.
Intellectual property
Original text, layout and tools are protected by copyright. Limited personal and internal business use is permitted; substantial republication is not.