Terms of Use
Terms governing your use of CalcLume.
Last updated: August 2026
Informational tool disclaimer
CalcLume provides calculators and explanatory content for informational and educational purposes. Results are intended to help you understand calculations — they are not a substitute for professional judgment.
Not professional advice
CalcLume does not provide legal, financial, medical, tax, investment, or other professional advice. Do not rely on CalcLume results for decisions that require licensed professional consultation.
Accuracy
We work to ensure calculator accuracy through documented methodology and verification. However, CalcLume is provided "as is" without warranties of any kind. We are not liable for errors, omissions, or consequences arising from use of the site or its calculators.
Acceptable use
You may use CalcLume for personal, educational, and non-commercial purposes. You may not attempt to disrupt the site, scrape content at scale, or misrepresent CalcLume results as originating from a professional service.
Intellectual property
CalcLume content, design, and calculator implementations are protected by applicable intellectual property laws. Formulas and mathematical methods themselves are not proprietary, but our specific presentations, step sequences, and explanatory text are.
Changes
We may update these terms. Continued use of the site after changes are posted constitutes acceptance of the revised terms.
Contact
Questions about these terms may be directed to hello@calclume.com.