Use of the website
CalculTools provides free calculators, formulas, examples, and educational explanations for personal, educational, and general business reference. You are responsible for checking whether a calculator fits your situation.
Calculator results are estimates
Results depend on your inputs, formula assumptions, rounding rules, browser behavior, and the context of the decision. Results may differ from official calculations, professional software, lender quotes, tax rules, medical guidance, engineering requirements, or local regulations.
No professional advice
CalculTools does not provide financial, tax, legal, medical, engineering, construction, lending, accounting, or investment advice. Always verify important decisions with a qualified professional, official source, or required authority.
Acceptable use
- Do not attempt to disrupt, overload, scrape abusively, or attack the site.
- Do not use calculator results as the sole basis for high-risk decisions.
- Do not copy or republish the site in a way that violates applicable rights.
- Do not submit confidential or sensitive personal information through the contact form.
Local browser features
Some features such as favorites, theme preference, and recent results may store information in your browser. You can clear this data through your browser settings.
Advertising and external services
The site may use analytics and advertising services. Ads, if displayed, are separate from calculator logic and editorial decisions. See the Advertising Policy and Privacy Policy.
Changes
CalculTools may update calculators, formulas, explanations, policies, layouts, and these terms over time.
Contact
Questions about these terms can be sent through the contact page.
Policy status: Maintained as part of the live CalculTools policy set.