Calculate Court Interest for any Australian Jurisdiction

Court Interest Calculator

This complimentary calculator calculates interest using the current interest rate in each jurisdiction. You will need Calin - Lawyer's Interest Calculator in these other situations:

  • Period involves past interest rates.
  • You need particulars of calculation for court pleadings.
  • You need to print details of the calculation.
  • Other interest rates - eg bank rates.
  • Take leap years into account.
  • Compound & periodic interest.
  • Data input validation.

Caution - this page is not updated as often as Calin Software - check interest rates carefully and please advise us if the page and rates are out of date!

  Day Month   Year Include?  
First Day    
Last Day    
Jurisdiction  
     
Principal          
Days        
Interest Rate        
Rate Started        
         
Interest        
 
 
 

You can save this calculator to your computer so that you don't have to be online to use it. Simply save this page to your computer using the menu options provided by your browser. These vary from browser to browser but will typically be under the File|Save Document As menu, or 'Make page available offline' or similar.

Interest Rates for Australian Courts

Calin - Lawyer's Interest Calculator also includes all the historic rates for all these jurisdictions.

If you notice that the interest rate has changed in your jurisdiction before we have updated the table, then kindly click on the name of the jurisdiction to let us know.

Jurisdiction Started Rate
ATO General Interest Charge 01/07/2010 11.8%
Family Law Act Post Judgment 01/07/2010 9.5%
Federal Court Post-Judgment 01/08/1979 10.5%
Fed Mag Ct Post-Judgment 01/08/1979 10.5%
RBA Cash Rate Target 05/05/2010 4.5%
ATO Shortfall Interest Charge 01/07/2010 7.8%
ATO Base Rate of Interest 01/07/2010 4.8%
RBA Bank Accepted Bills (90 days) 01/06/2010 4.89%
ATO Div7A Benchmark Interest Rates 01/07/2010 7.4%
ATO Interest on Early and Over Payments 01/07/2010 4.8%
ACT Mag Ct Post-Judgment 10/01/2005 11%
ACT Sup Ct Pre-Judgment 01/05/2001 9%
ACT Sup Ct Post-Judgment 01/05/2001 11%
ACT Mag Ct Pre-J Commenced Before 15-7-1992 10/01/2005 9%
ACT Mag Ct Pre-J Commenced 15/7/92 to 10/1/2005 10/01/2005 9%
ACT Mag Ct Pre-J Commenced after 9/1/2005 10/01/2005 9%
NSW Sup Ct Post-Judgment 01/07/2010 10.5%
NSW D Ct Post-Judgment 01/07/2010 10.5%
NSW Loc Ct Post-Judgment 01/07/2010 10.5%
NSW Legal Profession Act 05/05/2010 6.5%
NT Local Ct Post-J 18/12/2002 10.5%
NT Supreme Ct Post-J 18/12/2002 10.5%
Qld Magistrates Court Pre-Judgment 01/07/2007 10%
Qld Supreme Court Pre-Judgment 01/07/2007 10%
Qld District Court Pre-Judgment 01/07/2007 10%
Qld Magistrates Court Post-Judgment 01/07/1998 10%
Qld Supreme Court Post-Judgment 01/07/1998 10%
Qld District Court Post-Judgment 01/07/1998 10%
SA Sup Ct Post-J 02/08/2004 6.5%
Tas Sup Ct Post-J 01/05/2000 10%
Vic Mag Ct Pre-Judgment 01/02/2010 10.5%
Vic Mag Ct Post-Judgment 01/02/2010 10.5%
Vic Cty Ct Pre-Judgment 01/02/2010 10.5%
Vic Cty Court Post-Judgment 01/02/2010 10.5%
Vic Sup Ct Pre-Judgment (PIRA) 01/02/2010 10.5%
Vic Sup Ct Post-Judgment 01/02/2010 10.5%
Vic Legal Profession Act 2004 05/05/2010 6.5%
WA Sup Ct Pre-Judgment 11/09/1997 6%
WA Loc Court Pre-Judgment 11/09/1997 6%
WA D Ct Pre-Judgment 11/09/1997 6%
WA D Ct Post-Judgment 11/09/1997 6%
WA Loc Ct Post-Judgment 11/09/1997 6%
WA Sup Ct Post-Judgment 11/09/1997 6%

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