How this calculation works
Calculate compound growth using configurable contribution, frequency, rate, and term. The result is calculated locally in your browser from the visible inputs, and the method below remains available for checking.
Worked example
₹1 lakh at 10% for 10 years with monthly compounding illustrates interest on interest.
Assumptions and limits
- Inputs use the units shown beside each field.
- Intermediate values retain precision; displayed values are rounded for readability.
Questions people ask
How does the Compound Interest Calculator work?
It applies this displayed method: A = P(1 + r/n)ⁿᵗ plus the future value of regular end-of-period contributions. Values stay in your browser and are not submitted to a server.
What should I check before using the Compound interest result?
Inputs use the units shown beside each field. Intermediate values retain precision; displayed values are rounded for readability. This is an educational projection. Returns, rates, inflation, tax treatment and product rules can change.
Does this Compound interest calculator save my information?
No. Calculation inputs are processed on this device. Sharing creates a URL only when you choose the share action.