Compound Interest Calculator

Single-page, offline, responsive app — choose an investment option and see compound growth. Two sliders control amount & period.

₹50,000
Min ₹1,000 — Max ₹1 Crore
5 years
Some options have fixed lock-in — slider will be disabled.
All calculations assume the cumulative variant of the product (principal + interest both compound). Rates are sample defaults — edit locally in the script if you want custom values.
Selected option
Rate: —
Maturity amount
₹0
Total interest: ₹0
Effective compounding
Lock-in:
Year-by-year breakdown
YearOpeningInterestClosing