Simple interest is calculated only on the original principal. Compound interest is calculated on principal plus accumulated interest — so returns (or debt) grow faster over time. Use the Simple Interest Calculator for flat-rate instruments and the Compound Interest Calculator for investment projections.

The retirement calculator uses a constant real-return assumption. It gives a solid planning estimate, but real returns vary. Treat projections as a range, not a guarantee, and review with a financial advisor before major decisions.

The Loan, Mortgage, and Savings calculators work for any country. For Indian-specific tools (Home Loan EMI in ₹, Car Loan EMI, with Indian bank rates), visit the Indian Finance section.

Yes. Click "Save Result" on any calculator page and the result is stored in your browser local history — no account required. View past calculations from the History panel in the navigation.

Pay minimum on all debts, then put all extra cash toward the highest-interest-rate debt first. Once paid off, roll that payment to the next-highest. This minimises total interest paid. The Debt Payoff Calculator models both avalanche and snowball methods side-by-side.