Last updated: August 12, 2026
Acceptance of terms
By accessing or using SignificantFiguresCalculator.com (the “Site”), you agree to these Terms of Service. If you don’t agree, please don’t use the Site. These terms apply alongside our [Disclaimer], which covers content accuracy and our non-affiliation with the standards bodies and exam boards referenced throughout the Site.
Description of service
The Site provides free educational reference content and calculators related to significant figures, rounding, and measurement precision. The Site does not require an account to use, and nothing on the Site constitutes professional, academic, or legal advice — see the Disclaimer for the full scope of that limitation.
Eligibility and age
The Site is intended for a general audience, including students, and is not directed specifically at children under 13. If you are under the age of majority where you live, you should use the Site with the awareness of a parent, guardian, or teacher, particularly regarding the third-party advertising described below.
Content ownership and your license to use it
Unless otherwise noted, the articles, worked examples, calculator interfaces, and other original content on this Site belong to SignificantFiguresCalculator.com. You’re welcome to:
- Read, use, and reference this content for personal, educational, or classroom purposes
- Link to any page on this Site
- Quote a reasonable excerpt with attribution and a link back
You may not, without our prior written permission:
- Republish, redistribute, or mirror substantial portions of this Site’s content elsewhere
- Scrape, systematically download, or use automated tools to extract Site content or calculator logic at scale
- Present this Site’s content as your own original work in any context where that would be misleading
References on this Site to third-party standards (ASTM E29, ISO 80000-1, and others), organizations, and trademarks belong to their respective owners and are used descriptively — see the Disclaimer’s non-affiliation section for details.
Acceptable use
You agree not to use the Site to:
- Violate any applicable law
- Attempt to gain unauthorized access to Site infrastructure, or disrupt the Site’s availability for other users (including through excessive automated requests)
- Misrepresent your identity or affiliation, or impersonate any person or organization
A note on academic integrity
This Site is built to explain why an answer is correct, not just to supply the answer — that’s the whole premise of the rule-attribution approach used throughout. We hope it’s useful for genuinely understanding significant figures and precision, including while working through homework or a lab report. It’s your responsibility to use it in a way that complies with your own school’s or institution’s academic integrity policies; this Site has no way to know what those policies are for any given assignment, and using reference material in a way your instructor doesn’t permit is between you and your instructor.
Advertising and third-party content
The Site displays advertising served by third-party providers, including Google AdSense. We don’t control the specific ads shown to any individual visitor, and displaying an ad doesn’t imply our endorsement of the advertiser or their product. The Site also links to external resources, including official standards bodies; we aren’t responsible for the content or availability of any external site.
No warranty
The Site and its calculators are provided “as is” and “as available,” without warranties of any kind, express or implied, including any warranty that the Site will be uninterrupted, secure, or error-free. See the Disclaimer for the specific limitations that apply to calculator results and reference content.
Limitation of liability
To the fullest extent permitted by law, SignificantFiguresCalculator.com and its operators are not liable for any indirect, incidental, consequential, or special damages arising from your use of, or inability to use, the Site — including but not limited to lost grades, lost work, or lost business — even if advised of the possibility of such damages.
Indemnification
You agree to hold SignificantFiguresCalculator.com and its operators harmless from any claim or demand arising from your violation of these terms or your misuse of the Site.
Changes to the service
We may modify, suspend, or discontinue any part of the Site — including specific calculators, articles, or features — at any time, without notice.
Changes to these terms
We may update these Terms of Service from time to time. The “Last updated” date at the top of this page reflects the most recent revision. Continued use of the Site after a change constitutes acceptance of the updated terms.
Restricting access
We reserve the right to restrict or block access to the Site for any user or IP address engaged in conduct that violates these terms, at our discretion.
Governing law
[This section intentionally left for you to complete — see the note below the file for why.]
General
If any provision of these terms is found unenforceable, the remaining provisions stay in effect. Our failure to enforce any provision isn’t a waiver of our right to do so later. These terms, together with the Disclaimer, are the entire agreement between you and SignificantFiguresCalculator.com regarding use of the Site.
Contact
Questions about these terms can be sent to [contact link].