Terms of Service
Last Reviewed: November 6, 2026 • Read Before Applying Calculations in Physical Assemblies
1. Acceptance of Terms & Scope of Use
By accessing or utilizing Nm to Joules ("the website", "we", "our"), you agree to be legally bound by these Terms of Service. If you do not agree with any part of these terms, you must refrain from using the calculation engines, reference tables, and conversion tools provided.
2. Mandatory Engineering Safety Disclaimer (Not Professional Engineering Advice)
WARNING: CRITICAL FASTENER & MACHINERY SAFETY NOTICE
The calculations, equations, algorithms, and tabular data on this platform are provided strictly for educational, scientific research, and preliminary estimation purposes. They do NOT constitute formal engineering advice, design certification, or professional consulting. Fasteners, torque-tightened joints, rotating flywheels, and high-pressure flanges used in automotive steering, aerospace structures, pressure vessels, and industrial lifting machinery must be independently verified and approved by a licensed Professional Engineer (PE) or certified structural metrologist.
3. Physical Tolerances & Real-World Joint Uncertainty
While our algorithms conform mathematically to BIPM, NIST SP 811, ISO 898-1, and VDI 2230 guidelines, real-world mechanical assemblies are governed by physical variables outside the scope of theoretical models. Fastener friction factors (nut factor $K$), thread surface finishes, anti-seize lubricants, tool calibration drifts (ISO 6789 MPE), and ambient thermal expansion can cause actual clamping preloads to deviate by ±20% to ±35% from nominal calculated torque. Users assume full responsibility for verifying actual torque-angle and ultrasonic stretch parameters on physical joints.
4. Advertising Disclosures & Commercial Independence
This website may display advertisements served by third-party ad networks, including Google AdSense. All commercial advertising units are labeled strictly as "Advertisements" or "Sponsored Links" in compliance with applicable ad-network policies and consumer protection guidelines. Advertising relationships and network sponsorships have zero influence on our calculation algorithms, mathematical derivations, or editorial metrology benchmarks.
5. Intellectual Property Rights
All original educational prose, vector diagrams, interactive visualizer UI designs, software scripts, and custom metrology synthesis published on Nm to Joules are the exclusive intellectual property of the website and protected by international copyright laws. You may utilize calculation outputs and cite reference excerpts with appropriate attribution; automated scraping, mass harvesting, or republication of whole tool engines without written authorization is prohibited.
6. Limitation of Liability & Indemnification
Under no circumstances shall Nm to Joules, its contributors, or operators be liable for any direct, indirect, incidental, consequential, or punitive damages—including, but not limited to, stripped threads, mechanical fatigue failure, joint relaxation, personal injury, downtime, or property damage—resulting from the application of calculation outputs obtained from this website. You agree to defend and hold harmless the operators from any claims arising from your mechanical implementations.
7. Technical Inquiries & Governing Terms
If you have questions regarding these terms, citation permissions, or calculation verification, contact our engineering desk at: contact@nmtojoules.com.