Unit Converting Tool is a free, fast, and accurate unit conversion tool built for students, engineers, scientists, educators, and everyday users. We believe converting units should be instant, intuitive, and easy to use.
To provide the most reliable, comprehensive, and cleanly designed unit converter on the web. We cover 18 categories and 150+ units, from everyday measurements like length and weight to specialized engineering and scientific units.
All conversions happen locally in your browser using mathematically verified conversion factors. Your data never leaves your device. Conversion history is stored in your browser's local storage and can be cleared at any time.
Our conversion factors are sourced from the International System of Units (SI), NIST, and other authoritative standards bodies. Temperature formulas follow exact thermodynamic definitions. While we strive for maximum precision, for critical scientific or engineering applications please verify results independently.
Last updated: June 2026
Unit Converting Tool is committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding that information.
We may collect the following types of data to operate, improve, and monetize this site:
We do not use tracking cookies or advertising cookies. We may use a single functional cookie to remember your display preferences. You can disable cookies in your browser settings without affecting core functionality.
Unit Converting Tool uses Google Fonts to load the Roboto and Roboto Mono typefaces. This means a request is made to Google's servers when you load the page. Please refer to Google's Privacy Policy for details on how they handle font-loading requests.
Your local conversion history is retained in your browser until you clear it manually or clear your browser data. Any data collected through analytics or advertising partners is retained per their own policies. If we collect personal data directly in the future, we will retain it only as long as necessary for the purpose it was collected.
Unit Converting Tool does not knowingly collect any data from children under the age of 13. The site contains no age-restricted content.
We may update this policy periodically. Changes will be posted on this page with an updated date. Continued use of the site constitutes acceptance of any changes.
This site uses Google AdSense, a third-party advertising service provided by Google LLC. Google AdSense uses cookies and web beacons to serve ads based on your prior visits to this site and other sites across the web. These cookies allow Google and its partners to serve ads based on your visit history.
You may opt out of personalized advertising by visiting Google's Ads Settings. You can also opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info.
For more information on how Google uses data collected through its advertising services, please visit Google's Privacy & Terms.
Last updated: June 2026
By using Unit Converting Tool, you agree to these Terms of Service. If you do not agree, please discontinue use of the site. We reserve the right to update these terms at any time — continued use after changes constitutes acceptance.
Unit Converting Tool provides a free unit conversion tool for personal, educational, and professional use. You may use this site for lawful purposes only. You agree not to:
We strive to provide accurate conversions based on established standards. However, Unit Converting Tool is provided "as-is" without warranty of any kind. For mission-critical scientific, medical, legal, or engineering applications, always verify results with authoritative sources. We are not liable for errors or decisions made based on our conversion results.
The Unit Converting Tool name, logo, design, and code are the property of Unit Converting Tool. Underlying mathematical conversion formulas are in the public domain. You may link to Unit Converting Tool freely but may not reproduce or redistribute the site's code or design without written permission.
To the fullest extent permitted by law, Unit Converting Tool and its operators shall not be liable for any direct, indirect, incidental, or consequential damages arising from your use of this site or reliance on its conversion results.
These terms are governed by applicable law. Any disputes shall be resolved in the appropriate jurisdiction.
Last updated: June 2026
Cookies are small text files stored in your browser by websites you visit. They are widely used to make sites work efficiently and to provide information to site owners.
Unit Converting Tool may use cookies and similar tracking technologies, including those placed by third-party advertising partners such as Google AdSense. These cookies may be used to serve personalized advertisements based on your browsing history on this and other sites. We use your browser's localStorage to save your conversion history locally on your device.
You can clear your local conversion history at any time by clicking "Clear History" in the History tab. You can also clear all site data through your browser's developer tools or privacy settings.
Depending on your location, you may have rights under GDPR, CCPA, or other privacy regulations regarding your data. This may include the right to access, correct, or delete data collected about you. For data collected by third-party partners such as Google, please refer to their respective privacy policies and opt-out tools.
Unit Converting Tool uses conversion factors derived from internationally recognized standards including the International System of Units (SI) and NIST publications. We make every reasonable effort to ensure accuracy, but conversions are provided for general informational purposes only.
Results from Unit Converting Tool should not be used as the sole basis for decisions in the following fields without independent professional verification:
This tool is provided "as is" without any warranty, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or accuracy. Use at your own discretion.
Unit Converting Tool may contain links to external websites. We are not responsible for the content, accuracy, or privacy practices of those sites.
Have a question, found an error, or want to suggest a new unit? We'd love to hear from you. Copy the email address below and reach out anytime.