Compound Interest Calculator
Calculate compound interest, final balance, and total interest with this free online compound interest calculator.
Final Amount
$1,647.01
Total Interest
$647.01
Formula
A = P(1 + r / n)nt
How this compound interest calculator works
This calculator estimates how your money grows when interest is added repeatedly over time.
It uses the standard compound interest formula based on your principal amount, annual interest rate, compounding frequency, and number of years.
You can use it to estimate savings growth, investment returns, and long-term interest accumulation.
Frequently Asked Questions
What is compound interest?
Compound interest is interest calculated on both the original principal and the interest already added over time.
What is the formula for compound interest?
A common formula is A = P(1 + r / n)^(n × t), where P is principal, r is annual rate, n is compounding frequency, and t is time in years.
Can I use this compound interest calculator for free?
Yes. Tool Nova provides this compound interest calculator online for free with no sign-up required.