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About the Finance Calculator
This Finance Calculator computes present value, future value, annuity payments, and common financial ratios from the numbers you enter. You get instant results that show how money grows or shrinks over time under a chosen interest rate.
The tool applies the standard time value of money formulas, such as FV = PV x (1 + r)^n and the annuity payment formula PMT = PV x r / (1 - (1 + r)^-n). Inputs include the present or future amount, the periodic interest rate, the number of periods, and the payment size. Match the rate period to the time period, so a monthly rate pairs with a monthly count. For major decisions such as loans or retirement plans, consider a financial professional as well.
- Choose the calculation type, for example future value or annuity payment.
- Enter the amount, the interest rate per period, and the number of periods.
- Read the result and adjust the inputs to compare different scenarios.