Financial Calculator Free & Instant
Compound Interest Calculator
Free online Compound Interest calculator. Calculate exact payments, interest rates, schedules, and visual breakdowns instantly.
Compound Interest Calculator Inputs
$10,000
$500
8%
20 yrs
Future Balance
$345,742.00
In 20 years @ 8% annual growth
Total Deposited
$130,000.00
Interest Earned
$215,742.00
Compound Interest Calculator — Grow Your Wealth
Compound interest is the most powerful force in investing — Einstein reportedly called it the eighth wonder of the world. This calculator shows how your money grows over time when interest is reinvested, letting you visualize the true power of compounding for savings accounts, mutual funds, FDs, and investments.
Step-by-Step Guide
- 1Enter your initial investment (principal amount).
- 2Add your expected monthly contribution (SIP amount).
- 3Set the expected annual return percentage.
- 4Choose the investment horizon in years.
- 5See your projected corpus, total invested, and interest earned.
Formula
A = P(1 + r/n)^(nt) | A = Final Amount, P = Principal, r = Annual Rate, n = Compounding frequency, t = Time in yearsWhy Use Our Compound Interest Calculator?
- Instant browser-side calculation
- 100% private — no data stored
- Visual charts & breakdowns
- Free forever — no sign-up needed
Frequently Asked Questions
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