Below are the link and OSS notes, which will help you do the sizing of your HANA Database.
Calculate the memory requirements using the following SAP notes:
- SAP Quick Sizer: http://service.sap.com/quicksizer
- SAP Note 1514966: SAP HANA: Sizing SAP In-Memory Database
- SAP Note 1637145: Sizing for SAP BW on HANA
- SAP Note 1736976: SAP BW on HANA Sizing Report
- SAP Note 1793345: Sizing for SAP Suite on HANA
- SAP Note 1872170: Suite on HANA memory sizing report