Terms of Service
Last updated: February 2026
Table of Contents
Welcome to YalmCalc. These Terms of Service ("Terms") govern your access to and use of the YalmCalc website located at https://yalm.net (the "Service"), including all calculators, tools, content, and features offered through the Service.
Please read these Terms carefully before using the Service. By accessing or using YalmCalc, you acknowledge that you have read, understood, and agree to be bound by these Terms. If you do not agree with any part of these Terms, you must not use the Service.
1. Acceptance of Terms
By accessing, browsing, or using YalmCalc in any way, you agree to comply with and be bound by these Terms of Service. These Terms constitute a legally binding agreement between you ("User," "you," or "your") and YalmCalc ("we," "us," or "our").
Your continued use of the Service following the posting of any changes to these Terms constitutes acceptance of those changes. We encourage you to review these Terms periodically for updates.
YalmCalc does not require user accounts, registration, or login. By simply accessing and using the website, you are agreeing to these Terms.
2. Use of Service
YalmCalc provides a collection of 112+ free online calculators and tools spanning a variety of categories, including but not limited to:
- Mathematics – percentage, fraction, average, exponent, and scientific calculators
- Finance – mortgage, loan, compound interest, ROI, salary, and tax calculators
- Health & Fitness – BMI, calorie, body fat, macro, and heart rate calculators
- Unit Conversions – length, weight, temperature, volume, speed, and other converters
- Date & Time – date difference, age, work days, and time zone tools
- Text & Developer Tools – word counter, case converter, regex tester, hash generator, and more
- Science & Engineering – physics, chemistry, and electrical calculators
- Everyday Tools – tip calculator, discount calculator, cooking converter, and others
The Service is provided free of charge for personal, educational, and informational purposes. You may use the calculators and tools to perform calculations, learn concepts, and assist with everyday tasks.
We reserve the right to modify, suspend, or discontinue any part of the Service at any time without prior notice. We shall not be liable to you or any third party for any modification, suspension, or discontinuation of the Service.
3. Accuracy Disclaimer
Important Notice
All calculators and tools provided on YalmCalc are intended for informational, educational, and estimation purposes only. The results produced by our calculators do not constitute professional financial, medical, legal, engineering, or other specialized advice. You should always consult qualified professionals before making decisions based on calculator results.
While we strive to ensure that our calculators produce accurate results, YalmCalc makes no warranty or guarantee regarding the accuracy, completeness, reliability, or suitability of any calculation results. Specifically:
Financial Calculators
Our financial tools (mortgage, loan, compound interest, ROI, salary, tax calculators, etc.) provide estimates only. Actual financial outcomes depend on factors that may not be captured by our calculators, including but not limited to applicable tax laws, fees, market conditions, lender-specific terms, and individual financial circumstances. Do not rely solely on our calculators for financial planning, investment decisions, or tax preparation. Always consult a qualified financial advisor, accountant, or tax professional.
Health & Fitness Calculators
Our health-related tools (BMI, calorie, body fat, macro, heart rate calculators, etc.) provide general estimates based on commonly used formulas. They are not a substitute for professional medical advice, diagnosis, or treatment. Individual health needs vary significantly based on medical history, genetics, existing conditions, and other factors. Never disregard professional medical advice or delay seeking treatment because of results from our calculators. Always consult a qualified healthcare provider for medical decisions.
Scientific & Engineering Calculators
Our scientific and engineering tools are designed as educational aids and quick-reference utilities. They should not be used as the sole basis for engineering designs, scientific research conclusions, or safety-critical applications. Always verify results independently and consult qualified engineers or scientists for professional work.
General Disclaimer
All calculators on YalmCalc are provided on an "as is" and "as available" basis. Calculation results may contain errors due to rounding, formula limitations, browser inconsistencies, or other factors. Users are responsible for verifying all results independently before relying on them for any purpose.
In summary: YalmCalc calculators are tools for estimation and education. They are designed to help you learn, explore, and get quick approximations. For any decision involving your finances, health, legal matters, or safety, always seek guidance from a qualified professional in the relevant field.
4. Intellectual Property
All content on YalmCalc, including but not limited to text, graphics, logos, icons, images, audio clips, software, code, calculator designs, user interface elements, and the compilation thereof, is the property of YalmCalc or its content suppliers and is protected by applicable intellectual property laws.
You may not reproduce, distribute, modify, create derivative works of, publicly display, publicly perform, republish, download, store, or transmit any of the material on our website, except as follows:
- Your browser may temporarily store copies of pages and assets in its cache for display purposes.
- You may print or download one copy of a reasonable number of pages for your own personal, non-commercial use and not for further reproduction, publication, or distribution.
- You may share links to our calculators and pages via social media or other platforms.
Any use of the Service not expressly permitted by these Terms is a breach of these Terms and may violate copyright, trademark, and other laws.
5. User Conduct
When using YalmCalc, you agree not to:
- Use the Service for any unlawful purpose or in violation of any applicable local, state, national, or international law or regulation.
- Attempt to gain unauthorized access to any portion of the Service, other systems or networks connected to the Service, or any server or database associated with the Service.
- Use any automated system, including but not limited to bots, scrapers, spiders, or offline readers, to access the Service in a manner that sends more requests to the server than a human could reasonably produce in the same time frame.
- Introduce any viruses, trojan horses, worms, logic bombs, or other malicious or technologically harmful material.
- Interfere with or disrupt the integrity or performance of the Service or the data contained therein.
- Attempt to decompile, reverse-engineer, or disassemble any software or code that forms part of the Service, except as expressly permitted by applicable law.
- Remove, alter, or obscure any copyright, trademark, or other proprietary rights notice displayed on the Service.
- Use the Service to transmit unsolicited promotional or advertising material, spam, or similar solicitations.
We reserve the right to restrict or terminate access to the Service for any user who violates these conduct guidelines, at our sole discretion and without prior notice.
6. Limitation of Liability
To the fullest extent permitted by applicable law, YalmCalc, its owners, operators, affiliates, and their respective officers, directors, employees, agents, and licensors shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to:
- Loss of profits, data, use, goodwill, or other intangible losses.
- Damages resulting from your access to, use of, or inability to access or use the Service.
- Damages resulting from any errors, inaccuracies, or omissions in calculation results or any content obtained through the Service.
- Damages resulting from unauthorized access to or alteration of your transmissions or data.
- Damages resulting from any decisions or actions taken based on information provided by the Service.
This limitation of liability applies regardless of the legal theory on which the claim is based, whether in contract, tort (including negligence), strict liability, or otherwise, even if YalmCalc has been advised of the possibility of such damages.
The Service is provided free of charge. In no event shall YalmCalc's total aggregate liability exceed the amount of zero dollars ($0.00), as no fees are charged for use of the Service.
7. Indemnification
You agree to defend, indemnify, and hold harmless YalmCalc, its owners, operators, affiliates, and their respective officers, directors, employees, agents, and licensors from and against any and all claims, liabilities, damages, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising from or related to:
- Your use of or access to the Service.
- Your violation of any provision of these Terms.
- Your violation of any applicable law or regulation.
- Your reliance on any calculation results or information obtained through the Service.
- Any content or data you submit to or through the Service (such as calculator suggestions or feedback).
This indemnification obligation shall survive the termination of these Terms and your use of the Service.
8. Third-Party Links and Services
The Service may contain links to third-party websites, services, or resources that are not owned or controlled by YalmCalc. These links are provided for your convenience and reference only.
YalmCalc has no control over, and assumes no responsibility for, the content, privacy policies, or practices of any third-party websites or services. You acknowledge and agree that YalmCalc shall not be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on any third-party content, goods, or services available on or through any such websites or services.
The Service may also utilize third-party services for functionality such as:
- Content delivery networks (CDNs) for serving libraries and frameworks.
- Web fonts and icon libraries.
- Analytics services to understand usage patterns and improve the Service.
- Advertising networks to support the free availability of the Service.
We encourage you to read the terms and privacy policies of any third-party websites or services that you visit or interact with through our Service.
9. Modifications to Terms
YalmCalc reserves the right to revise, amend, or update these Terms of Service at any time and at our sole discretion. When we make changes, we will update the "Last updated" date at the top of this page.
Since YalmCalc does not require user accounts, we are unable to provide individual notification of changes. It is your responsibility to review these Terms periodically to stay informed of any updates.
Your continued use of the Service after any modifications to these Terms constitutes your acceptance of the revised Terms. If you do not agree with the modified Terms, you must discontinue use of the Service.
10. Governing Law
These Terms of Service and any disputes arising out of or related to the use of the Service shall be governed by and construed in accordance with the laws of the jurisdiction in which YalmCalc operates, without regard to its conflict of law provisions.
Any legal action or proceeding relating to these Terms or the Service shall be brought exclusively in the competent courts of that jurisdiction. You consent to the personal jurisdiction of such courts and waive any objection to the laying of venue in such courts.
If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, such invalidity, illegality, or unenforceability shall not affect the remaining provisions, which shall continue in full force and effect.
11. Contact Information
If you have any questions, concerns, or comments about these Terms of Service, please reach out to us through one of the following channels:
- Website: https://yalm.net
We strive to respond to all inquiries in a timely manner. Your feedback helps us improve YalmCalc for everyone.