## Future Value of Annuity Calculator

This calculator will tell you the future value of an annuity. All you have to do is enter the following inputs: peridoic payment, rate per period, and the number of periods. The formula used to calculate the future value of an annuity is the following: $$FV = P \times \frac{(1 + r)^n - 1}{r}$$ Where $$P$$ is periodic payment, $$r$$ is the interest rate (in decimal) per period, and $$n$$ is the number of periods.