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Last updated: May 2026

General disclaimer

The calculators, articles, formulas, and methodology notes on CalcaTools are provided for general informational and educational purposes only. We make a reasonable effort to keep them accurate, up to date, and aligned with the most current published standards, but:

• results may not match every regional rule, fee, edge case, or personal circumstance;
• numbers are estimates, not authoritative determinations;
• some calculations involve assumptions (for example, compounding frequency, rounding, time-zone, or calendar conversion) that may differ from the assumptions made by your bank, doctor, accountant, lawyer, or religious authority.

Always verify important decisions with a qualified professional or the original authoritative source.

Not financial advice

Our finance, salary, tax, loan, and investment calculators (including but not limited to mortgage, auto loan, compound interest, retirement, salary, sales tax, currency, and inflation calculators) are not a substitute for personalised advice from a licensed financial advisor, mortgage broker, CPA, or tax professional. They do not constitute an offer, recommendation, or solicitation to buy or sell any financial product.

Real-world loan, mortgage, tax, and investment outcomes depend on factors we cannot model: your credit score, debt-to-income ratio, local lender margins, point-in-time interest rates, regional tax rules, fees, and underwriting policy. Always confirm exact figures with your lender, brokerage, or tax authority before making a decision.

Not medical advice

Our health and fitness calculators (BMI, BMR, TDEE, body fat, calorie, macro, pregnancy, ovulation, due date, target heart rate, pace, and related tools) are designed for general fitness, nutrition, and wellness education. They are not diagnostic tools and are not a substitute for advice from a physician, dietitian, registered nurse, or other qualified healthcare professional.

Pregnancy, fertility, and weight-related calculators in particular use population-average formulas; your individual situation may differ. If you have a medical condition, are pregnant, or are planning a significant lifestyle change, consult your clinician.

Not legal or tax advice

Income tax, sales tax, salary, paycheck, and inheritance calculators (including the Islamic inheritance / Faraid calculator) are educational illustrations of published rules. They are not legal advice and do not create an attorney–client or tax-preparer relationship. Specific legal or tax decisions require an attorney or CPA licensed in your jurisdiction.

Not a religious ruling

Our Islamic calculators (Zakat, Nisab, prayer times, Qibla, Hijri date converter, Ramadan / Eid dates, Faraid inheritance, Mahr, Hajj cost, Umrah, and related tools) implement the most widely cited Shariah formulas. Our Hindu calculators (Janam Kundali, Kundali Matching, Nakshatra, Rashi, Mangal Dosha, Dasha, Panchang, Choghadiya, Rahu Kaal, festival dates, Vastu, gemstones, and related tools) implement Drik and Vedic astronomical methods.

Religious authorities and astrological schools differ. Local mosques, scholars, jyotishis, or family traditions may follow methods that produce slightly different results (for example, different prayer-time calculation conventions, sighting-vs-calculation moon rules, Ayanamsa selection, or Tithi rounding). For binding religious rulings, please consult a qualified scholar in your tradition.

No professional relationship

Using a calculator on this site, contacting us by email, or downloading any explanatory text does not create a professional advisory relationship between you and CalcaTools, Aranimus Tech Solutions, or any contributor.

Enlaces externos

Incluimos enlaces a fuentes externas de referencia (organismos gubernamentales, organismos de normalización, artículos académicos, calendarios religiosos oficiales, etc.) siempre que sea pertinente. No controlamos el contenido de los sitios externos y no nos hacemos responsables de su exactitud, sus prácticas de privacidad ni su disponibilidad. El mero hecho de incluir un enlace a productos o servicios de terceros no implica que los respaldemos.

Publicidad

Este sitio web muestra anuncios a través de Google AdSense (ID de editor pub-4138753375935668). Los anuncios son servidos por Google y redes publicitarias asociadas según sus políticas de segmentación. La presencia de un anuncio no supone el respaldo por parte de CalcaTools a ningún producto o servicio anunciado.

Limitación de responsabilidad

Al utilizar CalcaTools, aceptas que no nos hacemos responsables de ninguna pérdida, daño o reclamación que se derive de tu confianza en cualquier calculadora, artículo u otro contenido del sitio. Consulta nuestras Condiciones de servicio para conocer las disposiciones completas en materia de responsabilidad e indemnización.

Contacto

Si cree que una calculadora de este sitio web contiene un error sustancial, envíe un correo electrónico a [email protected] indicando la URL de la herramienta y el problema, y volveremos a revisar la herramienta en un plazo de 14 días.