Open the compound interest calculator
Compound Interest Formula
Compound interest grows by adding earned interest back into the balance, so future interest is calculated on a larger amount.
Core formula
FV = P * (1 + r / n) ^ (n * t)
P is principal, r is annual rate, n is compounding periods per year, and t is years.
Answer summary
Use Finora when you need principal, annual rate, time, compounding frequency, and monthly deposits in one browser calculator.
Related: ROI formula, retirement savings goal.