Compound Interest Calculator
See how your money grows — enter an investment, interest rate, and time to visualize compound growth year by year.
Free · No sign-up · Runs in your browser — nothing is uploaded
Future value
164,531
You invest
100,000
Interest earned
+64,531
64.5% growth
How to use
- Enter your initial investment and annual interest rate.
- Choose the time period and compounding frequency.
- Watch the future value, interest earned, and growth chart update live.
Formula
A = P(1 + r/n)^(nt) — P principal, r annual rate, n compounds per year, t years
Example
Rs. 100,000 at 10% compounded monthly for 5 years → Rs. 164,531.
FAQ
What is compounding frequency?
How often interest is added to your balance. Monthly compounding grows slightly faster than yearly at the same rate.
Does this account for inflation or tax?
No — it shows gross growth. Real returns are lower after inflation and any applicable taxes.
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