# PDURATION

The PDURATION function calculates the duration of an investment with periodic payments based on a specified discount rate. This function is commonly used in financial analysis to determine the time it takes to recover the initial investment through periodic cash flows.

## Syntax

=PDURATION(`Rate`, `Nper`, `Pmt`, `Fv`, `Type`)

When you find yourself in need of insights on how quickly an investment can pay back, turn to PDURATION in Excel. This handy function allows you to crunch the numbers and determine the duration required to recoup your initial investment through recurring cash inflows or outflows, making it a must-have for financial planning and decision-making scenarios. By inputting key parameters such as the discount rate, number of payment periods, constant payment amount, future value target, and payment timing, PDURATION performs the heavy lifting to provide you with a clear timeline on investment recovery. Whether you're evaluating projects, comparing financing options, or analyzing potential ventures, PDURATION equips you with valuable information to assess the time frame for recovering your investment outlay. It's a powerful tool that simplifies complex financial calculations and aids in steering your financial strategies in the right direction.

## Examples

Suppose you invest \$10,000 in a project that generates \$1,500 per year for 8 years at an annual discount rate of 6%. You want to determine how long it will take to recoup your initial investment. The PDURATION formula would be:=PDURATION(0.06, 8, -1500, 10000, 0)This will return the duration needed for you to recover the initial investment in the given scenario.

Consider a scenario where you borrow \$50,000 at an annual interest rate of 4% to fund a business venture. You plan to make monthly payments of \$2,000 for 3 years. You are interested in calculating the duration it will take to clear off this debt. The PDURATION formula would be:=PDURATION(0.04/12, 3*12, 2000, -50000, 1)This will provide you with the duration required to pay off the borrowed amount based on the specified repayment terms.

## Notes

PDURATION assumes that the cash flows are consistent and predictable throughout the investment horizon. Ensure that the provided parameters accurately reflect the specifics of your investment or financial scenario to obtain relevant and reliable results.

## Questions

What does the PDURATION function calculate?

The PDURATION function calculates the time required to recover an initial investment based on periodic payments, a specified discount rate, and a target future value.

How does the Type argument affect the calculations in the PDURATION function?

The Type argument in the PDURATION function determines the timing of payments, with 0 representing end of period payments (annuity due) and 1 representing beginning of period payments (ordinary annuity). This timing influences the computation of the duration value.

Can PDURATION handle irregular cash flows or changing payment amounts over time?

No, PDURATION is designed for scenarios with constant and regular cash flows. It assumes a fixed payment amount throughout the investment period to calculate the duration needed for investment recovery.

How can PDURATION be useful in financial decision-making?

PDURATION serves as a valuable tool for evaluating the time it takes to recoup an initial investment through consistent periodic payments. This information aids in comparing investment options, analyzing project feasibility, and making informed financial decisions based on recovery timelines.

DURATION.INTL
NPER
PMT
FV
RATE
NPV
IRR