Last updated: January 2026
By accessing and using Picotometer.com ("the Site," "we," "our," "us"), you ("the User," "you," "your") agree to be bound by these Terms of Service ("Terms"). If you do not agree to all of these Terms, please do not use the Site. We reserve the right to update, modify, or replace any part of these Terms at any time. Changes are effective immediately upon posting to this page. Your continued use of the Site following the posting of changes constitutes your acceptance of those changes. We recommend reviewing this page periodically for updates.
Picotometer.com provides free online unit conversion tools, reference tables, and educational content related to picometers and length measurement in the physical sciences. The Service includes bidirectional conversion calculators for over 40 unit pairs, quick-reference conversion tables, mathematical formulas, and in-depth educational articles about the science, history, and applications of length units at the atomic scale. All tools and content are provided free of charge with no registration required.
While we strive for the highest possible accuracy in all conversions, formulas, tables, and educational content, Picotometer.com 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, accuracy, and non-infringement.
Our conversion tools are designed for educational and general reference purposes. Conversion results should be independently verified before being used in any critical application including but not limited to: engineering design and manufacturing specifications, medical or pharmaceutical calculations, financial transactions or valuations, legal proceedings or regulatory compliance, safety-critical systems, and any application where an error could result in injury, death, or significant financial loss. We are not liable for any errors, omissions, inaccuracies, or damages of any kind arising from use of our tools or reliance on our content.
All content on Picotometer.com, including but not limited to text, graphics, logos, icons, code, page design, and the arrangement thereof, is the intellectual property of Picotometer.com and is protected by applicable copyright, trademark, and other intellectual property laws. You may reference, link to, and cite our content for educational, academic, and non-commercial purposes with proper attribution (e.g., "Source: Picotometer.com"). You may not reproduce, republish, redistribute, or commercially exploit our content in bulk without prior written permission. Conversion factors and mathematical formulas, being mathematical facts, are not subject to copyright claims.
You are permitted to: use our conversion tools for personal, educational, and professional purposes; link to our pages from your website, blog, or social media; cite our content in academic papers, theses, and educational materials with attribution; and share individual page URLs with colleagues and students.
You are prohibited from: using automated tools (bots, scrapers, crawlers) to bulk-download or systematically copy our content; attempting to interfere with the Site's operation, security, or availability; using the Site for any purpose that violates applicable local, national, or international law; misrepresenting the source of our tools or content, or presenting our content as your own; creating derivative works that closely replicate our site structure, design, or content organization; and using our brand name, logo, or visual identity without written permission.
Your use of the Site is also governed by our Privacy Policy, which is incorporated into these Terms by reference. Please review the Privacy Policy to understand our practices regarding data collection and usage.
The Site may contain links to third-party websites, resources, or services that are not owned or controlled by Picotometer.com. We are not responsible for the content, accuracy, availability, privacy practices, or opinions expressed on any linked third-party site. Links do not constitute endorsement, sponsorship, or recommendation. You access third-party sites at your own risk and should review their terms and privacy policies independently.
To the maximum extent permitted by applicable law, Picotometer.com, its owners, operators, contributors, and affiliates shall not be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, including but not limited to damages for loss of profits, data, goodwill, use, or other intangible losses, arising out of or in connection with: your access to, use of, or inability to use the Site; any errors, inaccuracies, or omissions in the Site's content; any conversion results produced by our tools; any unauthorized access to or alteration of your data; or any other matter relating to the Site, even if we have been advised of the possibility of such damages.
You agree to defend, indemnify, and hold harmless Picotometer.com, its owners, operators, and contributors from and against any and all claims, damages, obligations, losses, liabilities, costs, and expenses arising from: your use of the Site; your violation of these Terms; or your violation of any third party's rights, including intellectual property rights.
These Terms shall be governed by and construed in accordance with the laws of the United States of America, without regard to principles of conflict of laws. Any dispute arising under or in connection with these Terms shall be resolved through good-faith negotiation. If negotiation fails, disputes shall be submitted to binding arbitration in accordance with the rules of the American Arbitration Association.
If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall continue in full force and effect.
Questions, concerns, or requests regarding these Terms should be directed to our team via our contact page or emailed to hello@picotometer.com. We will make reasonable efforts to respond to legal inquiries within five business days.