Disclaimer
Last updated: July 22, 2026
Calculator Index provides free online calculators and educational articles. While we work hard to keep every tool accurate and current, everything on this site is provided for general informational and educational purposes only.
Not professional advice
- Not financial advice. Financial calculators (mortgages, loans, investments, retirement, and similar) produce estimates based on simplified models and the numbers you enter. Actual loan terms, returns, fees, and outcomes will differ. Nothing on this site is investment advice or a recommendation to buy, sell, or hold any financial product. Consult a licensed financial professional before making financial decisions.
- Not tax advice. Tax calculators use published federal rates for the stated tax year and make simplifying assumptions (for example, standard deduction, single filing status where noted). They do not account for every credit, deduction, or state and local tax. Consult a tax professional or the IRS for your specific situation.
- Not medical advice. Health and fitness calculators (BMI, calories, body fat, pregnancy dates, BAC, and similar) provide population-level estimates that may not apply to your individual circumstances. They are not a diagnosis and never a substitute for consultation with a qualified healthcare provider. Never disregard professional medical advice because of something you read or calculated on this site. The BAC calculator in particular must never be used to decide whether it is safe or legal to drive.
- Not legal advice. Nothing on this site constitutes legal advice.
Accuracy
Each calculator page states the formula, data source, and tax year or standard it relies on, along with the date it was last reviewed. Despite careful testing, we cannot guarantee that every result is error-free or that published rates have not changed since the last review. If you find an error, please report it — we investigate every report.
Limitation of liability
To the maximum extent permitted by law, Calculator Index and its operators are not liable for any loss or damage arising from the use of, or reliance on, any calculator, article, or other content on this site. You use this site at your own risk and are solely responsible for decisions made based on its content.
External links and advertising
This site displays third-party advertising and may link to external websites. We are not responsible for the content, accuracy, or practices of third-party sites or advertisers.