Applies to: Calculated column Calculated table Measure Visual calculation

Returns the depreciation for each accounting period. This function is provided for the French accounting system. If an asset is purchased in the middle of the accounting period, the prorated depreciation is taken into account.


AMORLINC(<cost>, <date_purchased>, <first_period>, <salvage>, <period>, <rate>[, <basis>])


Term Definition
cost The cost of the asset.
date_purchased The date of the purchase of the asset.
first_period The date of the end of the first period.
salvage The salvage value at the end of the life of the asset.
period The period.
rate The rate of depreciation.
basis (Optional) The type of day count basis to use. If basis is omitted, it is assumed to be 0. The accepted values are listed below this table.

The basis parameter accepts the following values:

Basis Date system
0 or omitted 360 days (NASD method)
1 Actual
3 365 days in a year
4 360 days in a year (European method)

Return Value

The depreciation for each accounting period.


  • Dates are stored as sequential serial numbers so they can be used in calculations. In DAX, December 30, 1899 is day 0, and January 1, 2008 is 39448 because it is 39,448 days after December 30, 1899.

  • period and basis are rounded to the nearest integer.

  • An error is returned if:

    • cost < 0.
    • first_period or date_purchased is not a valid date.
    • date_purchased > first_period.
    • salvage < 0 or salvage > cost.
    • period < 0.
    • rate ≤ 0.
    • basis is any number other than 0, 1, 3, or 4.
  • This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.


Data Description
2400 Cost
19-August-2008 Date purchased
31-December-2008 End of the first period
300 Salvage value
1 Period
15% Depreciation rate
1 Actual basis (see above)

The following DAX query:

  AMORLINC(2400, DATE(2008,8,19), DATE(2008,12,31), 300, 1, 0.15, 1)

Returns the first period's depreciation, given the terms specified above.