Interest Calculator

Interest Calculation

Principal Amount (₹) The amount invested or borrowed today. Annual Interest Rate (%) Rate applied per year. Time Period (Years) Total duration of investment or loan. Interest Type Select simple or compound interest. Simple Interest Compound Interest Inflation Rate (%) Used to calculate real returns. Tax on Interest (%) Applicable tax on earned interest. Calculate

Interest Calculation Formula

Simple Interest: SI = P × R × T

Compound Interest: A = P (1 + r/n)^nt

Compound interest grows faster due to interest-on-interest.

Which interest is better?
Compound interest gives higher returns.

Is interest taxable?
Yes, as per income tax rules.

Does inflation reduce gains?
Yes, real return may be lower.