Skip to main content

Terms of Service

Last updated: January 1, 2026

Acceptance of Terms

By accessing and using CalcStack ("the Service"), you agree to be bound by these Terms of Service ("Terms"). If you disagree with any part of these Terms, you may not use the Service.

Use of the Service

  • CalcStack provides free online calculators for educational and informational purposes.
  • You may use the calculators for personal, educational, or professional purposes.
  • You agree not to misuse the Service, including but not limited to: attempting to reverse engineer the calculators, scraping calculator results at scale, or using the Service for illegal activities.

No Professional Advice

Important: The calculators and results provided by CalcStack are for informational and educational purposes only. They do not constitute professional financial, medical, legal, engineering, or tax advice.

You should consult with qualified professionals before making decisions based on calculator results, especially for:

  • Financial planning, investments, loans, or tax matters
  • Medical diagnoses, treatment plans, or health decisions
  • Engineering designs, structural calculations, or safety-critical applications
  • Legal matters or compliance requirements

Accuracy & Limitations

We strive for accuracy in all calculators, but we cannot guarantee that all calculations are error-free or suitable for your specific situation. Calculators may have limitations, use simplified models, or rely on assumptions that don't apply to your situation.

You are responsible for verifying results independently before relying on them for important decisions.

Intellectual Property

CalcStack and its original content (calculator algorithms, formulas, explanations, interface design) are owned by us and protected by intellectual property laws. You may not copy, reproduce, distribute, or create derivative works without permission.

Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

Limitation of Liability

IN NO EVENT SHALL CALCSTACK BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING WITHOUT LIMITATION, LOSS OF PROFITS, DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, RESULTING FROM YOUR USE OF OR INABILITY TO USE THE SERVICE.

Changes to Terms

We may modify these Terms at any time. Changes will be posted on this page with an updated date. Your continued use of the Service after changes constitutes acceptance of the new Terms.

Contact

Questions about these Terms? Contact us atlegal@calcstack.example.com.