NPER
Applies to: 
Calculated column
Calculated table
Measure
Visual calculation
Returns the number of periods for an investment based on periodic, constant payments and a constant interest rate.
Syntax
NPER(<rate>, <pmt>, <pv>[, <fv>[, <type>]])
Parameters
| Term | Definition |
|---|---|
| rate | The interest rate per period. |
| pmt | The payment made each period; it cannot change over the life of the annuity. Typically, pmt contains principal and interest but no other fees or taxes. |
| pv | The present value, or the lump-sum amount that a series of future payments is worth right now. |
| fv | (Optional) The future value, or a cash balance you want to attain after the last payment is made. If fv is omitted, it is assumed to be BLANK. |
| type | (Optional) The number 0 or 1 and indicates when payments are due. If type is omitted, it is assumed to be 0. The accepted values are listed below this table. |
The type parameter accepts the following values:
| Set type equal to | If payments are due |
|---|---|
| 0 or omitted | At the end of the period |
| 1 | At the beginning of the period |
Return Value
The number of periods for an investment.
Remarks
type is rounded to the nearest integer.
This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.
Example
| Data | Description |
|---|---|
| 12% | Annual interest rate |
| -100 | Payment made each period |
| -1000 | Present value |
| 10000 | Future value |
| 1 | Payment is due at the beginning of the period (see above) |
The following DAX query:
EVALUATE
{
NPER(0.12/12, -100, -1000, 10000, 1)
}
Returns the number of periods for the investment described by the terms specified above.
| [Value] |
|---|
| 59.6738656742946 |