Disclaimer

Last updated: January 2026

Calcona publishes free calculators and educational articles. Everything on this site is provided for general informational purposes only.

Not professional advice

Financial. Loan, mortgage, tax, investment and retirement results are estimates. They are not a recommendation to buy, sell or borrow. Consult a licensed advisor or lender.
Health. BMI, calorie, BAC and related calculators are screening tools, not medical diagnoses. Consult a qualified healthcare professional.
Construction. Material estimates are approximations. Verify quantities with a professional before ordering.
Legal and tax. Nothing here constitutes legal or tax advice. Rules and brackets change; confirm with official sources.

Accuracy

We review our formulas and content regularly, but we do not warrant that any result is complete or free of error. You are responsible for verifying important figures. Some calculators rely on assumptions (tax brackets, exchange rates, material densities) that we state on the page — those assumptions may be outdated or inappropriate for your case.

External links

The Site may link to third-party websites. We are not responsible for their content or privacy practices.

No liability

To the fullest extent permitted by law, Calcona and its operators are not liable for any loss or damage arising from reliance on information on this Site.

Errors and corrections

Found something wrong? Please tell us via the contact page — we fix errors promptly.