Interest Calculators

Present Value of An Annuity - Online present value of an annuity economics calculator to estimate payments to be paid in the future from the user inputs.

Rule of 72 - Online Rule of 72 economics calculator to calculate investment's doubling time from the interest percentage.

Periodic Compound Interest - Calculate compound interest amount using simple periodic compound iterest rate calculator online.

Simple Interest Amount - Calculate Interest amount (I = Prt) using simple interest rate calculator online.

Total Amount Accrued - Calculate total amount accrued (principal + interest) using simple interest rate calculator online.