Terms of Use

Last updated: June 2026

Acceptance of Terms

By accessing and using CalcEngine, you agree to these Terms of Use. If you do not agree, please do not use the site.

Permitted Use

CalcEngine is provided as a free reference tool for engineering, scientific, and financial estimation. You may use the calculators for personal, educational, and professional reference purposes.

No Professional Advice

The calculators provide estimates and reference values only. They do not constitute engineering, legal, financial, tax, or investment advice. All results must be independently verified by a qualified, licensed professional before being relied upon for any design, construction, financial, or business decision.

Intellectual Property

The site design, code, and original content are the property of CalcEngine. Formula references to published standards remain the property of their respective standards organizations.

Changes

We may update these terms at any time. Continued use of the site constitutes acceptance of any revisions.