Terms of Use
Last updated: February 25, 2026
Acceptance of Terms
By accessing or using CalcTune (calctune.com, the "Service"), you agree to be bound by these Terms of Use ("Terms"). If you do not agree to these Terms, you may not access or use the Service.
We reserve the right to update or modify these Terms at any time. Your continued use of the Service following any changes constitutes your acceptance of the revised Terms.
Description of Service
CalcTune provides free online calculator tools for informational and educational purposes. Our Service includes calculators for finance, health, mathematics, science, and various everyday calculations, along with related explanatory content.
The Service is provided free of charge. We reserve the right to modify, suspend, or discontinue any part of the Service at any time without prior notice.
Disclaimer of Accuracy
The calculation results provided by CalcTune are intended for general informational and reference purposes only. While we strive for accuracy, we make no warranties or representations regarding the accuracy, completeness, reliability, or suitability of any calculation results.
Calculation results do not constitute professional advice of any kind, including but not limited to financial, medical, legal, tax, or engineering advice. You should not rely solely on CalcTune's calculations for making important decisions.
For financial decisions, consult a qualified financial advisor. For medical matters, consult a licensed healthcare professional. For legal questions, consult a qualified attorney. Any actions you take based on the information provided by this Service are strictly at your own risk.
CalcTune shall not be liable for any damages, losses, or consequences arising from the use of or reliance on any calculation results provided by the Service.
Advertising and Affiliate Disclosure
CalcTune generates revenue through advertising and affiliate marketing to support the free operation of the Service. Advertisements are displayed through Google AdSense, and some links on our Service are affiliate links (including, but not limited to, Amazon Associates).
When you click on an affiliate link and make a purchase, we may earn a commission at no additional cost to you. The presence of advertisements or affiliate links does not constitute our endorsement of any product, service, or company.
Any purchases made through affiliate links or interactions with advertised products are conducted between you and the respective third-party seller or advertiser. CalcTune is not responsible for the quality, safety, legality, or any other aspect of products or services offered by third parties.
You acknowledge that CalcTune displays advertisements and may earn affiliate commissions, and you agree to these practices as a condition of using the Service.
User Conduct
You agree to use the Service only for lawful purposes and in accordance with these Terms. You agree not to: use automated systems, bots, scrapers, or similar technology to access the Service in a manner that sends more requests than a human could reasonably make using a standard web browser; attempt to interfere with, disrupt, or overload the Service's infrastructure; copy, reproduce, or redistribute the Service's content without our prior written consent; or use the Service in any way that violates applicable local, national, or international laws or regulations.
Intellectual Property
All content, design, graphics, user interfaces, and code that make up the Service are owned by or licensed to CalcTune and are protected by copyright, trademark, and other intellectual property laws.
You may use the Service for personal, non-commercial purposes. You may not reproduce, distribute, modify, or create derivative works from any part of the Service without our prior written permission.
Third-Party Links and Content
The Service may contain links to third-party websites, advertisements, or services that are not owned or controlled by CalcTune. We have no control over, and assume no responsibility for, the content, privacy policies, or practices of any third-party websites or services.
You acknowledge and agree that CalcTune shall not be responsible or liable for any damage or loss caused by or in connection with the use of any third-party content, goods, or services.
Limitation of Liability
To the fullest extent permitted by applicable law, CalcTune and its operators shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of the Service.
The Service is provided on an "as is" and "as available" basis 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.
Changes to the Service
We reserve the right to modify, update, or discontinue the Service (or any part thereof) at any time, with or without notice. We shall not be liable to you or any third party for any modification, suspension, or discontinuance of the Service.
Changes to These Terms
We may revise these Terms from time to time. The most current version will always be posted on this page with an updated "Last updated" date. By continuing to use the Service after revisions become effective, you agree to be bound by the revised Terms.
Governing Law and Jurisdiction
These Terms shall be governed by and construed in accordance with the laws of Japan, without regard to its conflict of law provisions. Any disputes arising from or related to these Terms or the Service shall be subject to the exclusive jurisdiction of the courts of Tokyo, Japan.
Severability
If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that these Terms shall otherwise remain in full force and effect.
Contact Us
If you have any questions about these Terms of Use, please contact us at [email protected].