How every number on this site is built and verified.

About this page

• Every calculator on MFG Calcs goes through the same six steps: research the formula from recognized references, implement it in typed code, cover it with automated tests, validate the page content, review the writing, and correct promptly when users report issues.
• The automated test suite pins known inputs to known correct outputs, so any edit that changes a result fails the build before it can reach the site. Accuracy is enforced by the build, not by hoping someone double-checks.
• Guides and benchmarks follow an editorial standard of numbers over adjectives: every claim carries a figure, a method, or a concrete example, with assumptions written down on the page.