📈 Compound Interest Calculator

The 8th Wonder of the World

Compound interest = interest on interest. Your money grows exponentially because each period's interest is added to the principal. A = P(1 + r/n)^(nt). Start early — even small amounts grow huge over decades!

Principal Amount

Rate of Interest (p.a)

Time Period

Compounding Frequency

Maturity Amount

Principal Inv. -

Total Interest -

💰 Power of Compounding

"The 8th Wonder of the World" - Interest earning interest accelerates wealth growth!