# PDURATION

## Content

This function returns the number of periods required by an investment to reach a specified value.

## Syntax

`PDURATION(rate, pv, fv)`

## Arguments

This function has the following arguments:

| Argument | Description |
| -------- | ----------- |
| *rate* | Value of interest rate per period |
| *pv* | Present value of the investment |
| *fv* | Desired future value of the investment |

All the arguments of this function have positive values.

## Remarks

All the passed arguments should be positive values.

## Examples

`PDURATION(0.025/12,1000,1200)` gives the result of 87.6