Frequently Asked Questions

Common questions about our calculators and tools.

Yes, all our calculators use standard financial formulas as prescribed by the Reserve Bank of India (RBI) and major Indian banks. They provide highly accurate estimates for planning purposes. However, please treat them as estimates, as exact bank processing times can slightly alter minor digits.
No. All calculations are performed entirely locally in your web browser. We do not store, collect, log, or transmit any financial inputs or outputs to our servers. Your privacy is strongly protected.
No! CalcFin is completely 100% free. There are no paywalls, hidden fees, or requirements to register an account. Just open the page and calculate instantly.
An FD (Fixed Deposit) calculator is used when you want to deposit a single lump sum amount for a specific tenure. An RD (Recurring Deposit) calculator is used when you plan to deposit a fixed amount every month over a chosen tenure.
Absolutely. CalcFin is fully optimized for mobile devices, tablets, and desktop computers. You don't need to download any apps.
EMI is calculated using the formula: P × r × (1+r)ⁿ / [(1+r)ⁿ – 1], where P is the principal loan amount, r is the monthly interest rate (annual rate ÷ 12 / 100), and n is the total number of monthly payments.