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@pauldwhitman
pauldwhitman / excelStampDutyNewSouthWalesAustralia-LongForm
Last active July 18, 2024 23:52
Microsoft Excel formula for calculating stamp duty in New South Wales (NSW), Australia. Long form edition without "magic numbers".
=ROUND(IF(A1>3000000,(0.0125*14000)+(0.015*(30000-14000))+(0.0175*(80000-30000)+(0.035*(300000-80000)+(0.045*(1000000-300000))))+(0.055*(3000000-1000000))+0.07*(A1-3000000),IF(A1>1000000,(0.0125*14000)+(0.015*(30000-14000))+(0.0175*(80000-30000)+(0.035*(300000-80000)+(0.045*(1000000-300000))))+0.055*(A1-1000000),IF(A1>300000,(0.0125*14000)+(0.015*(30000-14000))+(0.0175*(80000-30000)+(0.035*(300000-80000)))+0.045*(A1-300000),IF(A1>80000,(0.0125*14000)+(0.015*(30000-14000))+(0.0175*(80000-30000))+0.035*(A1-80000),IF(A1>30000,(0.0125*14000)+(0.015*(30000-14000))+0.0175*(A1-30000),IF(A1>14000,(0.0125*14000)+0.015*(A1-14000),A1*0.0125)))))),)