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Automatic safety stock Calculation


    I want system to calculate the  safety stock based on forecast and maintain 60 days average daily consumption as my safety stock.Is any option is available ?

I have done customization of MRP type with automatic safety stock calculation.

In standard system calculates Safety stock based on (MAD * SQRT (Lead time /Forecast period) * R ) .But I want to maintain 60 days average daily consumption (from forecast ) as my safety stock,

Please suggest me.


Velmurugan S

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1 Answer

  • Dec 30, 2014 at 02:49 PM

    Hi Vel,

    You can use Coverage Profile for this. Maintain the Range of coverage profile using t-code OMIA and then assign the coverage profile in the material master MRP2 view.

    Please read this thread:

    Dynamic Safety stock calculation with help of the Coverage profile

    Kind Regards,


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    • Hi Vel,

      Sorry.. you are right. I misunderstood your initial question.

      For Automatic Safety Stock, the system considers the Service Level using the following parameters:

      • R = Relationship between forecast accuracy and service level (Service Factor) 
      • W = Delivery time (in days) / Forecast Period (in days) 
      • MAD = Mean absolute deviation (parameter for forecast accuracy)  

      Safety Stock = R x W x MAD  

      I don't think you can do what you want using Automatic Safety Stock. In you case, if Coverage Profile can not be used, I would create a program to calculate the Safety Stock value and then update

      the material master with the result.

      Kind Regards,