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Court Interest Calculator
This complimentary calculator calculates interest using the current interest rate in each jurisdiction.
You will need Calin Basic Australian Edition 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 - for example the Federal Tax Interest Rates usually need compounding.
- Data input validation.
Caution - check interest rates carefully, ensure compounding not applicable, and please advise us if the rates on this page are out of date!
Calin's list of supported Australian interest rates and their oldest and newest rate changes.
No. | Name | Started | Last Change | Rate |
---|---|---|---|---|
1 | Qld Magistrates Ct Pre-J | 25-Feb-1993 | 01-Jan-2024 | 8.350% |
2 | WA Sup Ct Pre-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
3 | Qld Supreme Ct Pre-J | 25-Feb-1993 | 01-Jan-2024 | 8.350% |
4 | Qld District Ct Pre-J | 25-Feb-1993 | 01-Jan-2024 | 8.350% |
5 | NSW Supreme Ct Post-J | 01-Jul-1972 | 01-Jan-2024 | 10.350% |
6 | ATO General Interest Charge | 01-Jul-1992 | 01-Jan-2024 | 11.380% |
7 | ATO Late Payment | 01-Jul-1992 | 01-Jul-1999 | 0.000% |
8 | Family Law Act Post-J | 08-May-1987 | 01-Jan-2024 | 10.350% |
9 | Federal Court Post-J | 01-Aug-1979 | 01-Jan-2024 | 10.350% |
10 | SA Magistrates Ct Post-J | 06-Jul-1992 | 20-May-2020 | 6.000% |
11 | WA Magistrates Ct Pre-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
12 | WA District Ct Pre-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
13 | NSW District Ct Pre-J | 01-Jul-1972 | 01-Jan-2024 | 8.350% |
14 | NSW Local Ct Pre-J | 01-Jul-1972 | 01-Jan-2024 | 8.350% |
15 | NSW Supreme Ct Pre-J | 01-Jul-1972 | 01-Jan-2024 | 8.350% |
16 | NSW District Ct Post-J | 01-Jul-1972 | 01-Jan-2024 | 10.350% |
17 | NSW Local Ct Post-J | 01-Jul-1972 | 01-Jan-2024 | 10.350% |
18 | Vic Magistrates Ct Pre-J | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
19 | Vic Magistrates Ct Post-J | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
20 | Vic County Ct Pre-J | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
21 | Vic County Ct Post-J | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
22 | Vic Supreme Ct Pre-J (PIRA) | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
23 | Vic Supreme Ct Post-J | 01-Jul-1983 | 01-Feb-2017 | 10.000% |
24 | SA District Ct Post-J | 04-Sep-2006 | 01-Jan-2024 | 10.350% |
25 | SA Magistrates Ct Pre-J | 01-Jan-2000 | 01-Jan-2000 | 5.000% |
26 | SA Supreme Ct Post-J | 01-Jan-1987 | 20-May-2020 | 6.000% |
27 | SA Supreme Ct Pre-J | 01-Jul-2010 | 20-May-2020 | 5.000% |
28 | ACT Magistrates Ct Post-J | 01-May-1986 | 01-Jan-2024 | 10.350% |
29 | ACT Supreme Ct Pre-J | 01-Jan-1974 | 01-Jan-2024 | 8.350% |
30 | ACT Supreme Ct Post-J | 01-Oct-1977 | 01-Jan-2024 | 10.350% |
31 | Tas Supreme Ct Pre-J | 01-Jul-2010 | 01-Jan-2024 | 8.350% |
32 | Tas Supreme Ct Post-J | 01-May-2000 | 01-Jan-2024 | 10.350% |
33 | NT Local Ct Post-J | 01-Sep-1987 | 01-Jan-2024 | 10.350% |
34 | NT Supreme Ct Post-J | 01-Sep-1987 | 01-Jan-2024 | 10.350% |
35 | Federal Ct Pre-J | 01-Jan-1991 | 01-Jan-2024 | 8.350% |
36 | Fed Magistrates Ct Post-J | 01-Aug-1979 | 01-Jan-2024 | 10.350% |
37 | WA District Ct Post-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
38 | WA Magistrates Ct Post-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
39 | WA Supreme Ct Post-J | 28-Jun-1991 | 11-Sep-1997 | 6.000% |
40 | Qld Magistrates Ct Post-J | 17-Dec-1983 | 01-Jan-2024 | 10.350% |
41 | Qld Supreme Ct Post-J | 17-Dec-1983 | 01-Jan-2024 | 10.350% |
42 | Qld District Ct Post-J | 17-Dec-1983 | 01-Jan-2024 | 10.350% |
43 | ACT Magistrates Ct Pre-J (<15-7-1992) | 01-Jul-1981 | 10-Jan-2005 | 9.000% |
44 | ACT Magistrates Ct Pre-J (15/7/92-10/1/2005) | 01-Jul-1981 | 10-Jan-2005 | 9.000% |
45 | ACT Magistrates Ct Pre-J Commenced after 9/1/2005 | 01-Jul-1981 | 01-Jan-2024 | 8.350% |
46 | RBA Cash Rate Target | 02-Aug-1990 | 08-Nov-2023 | 4.350% |
47 | Vic Legal Profession Act 2004 | 08-Nov-2007 | 08-Nov-2023 | 6.350% |
48 | NSW Legal Profession Act | 01-Oct-2005 | 08-Nov-2023 | 6.350% |
49 | ATO Shortfall Interest Charge | 01-Apr-2005 | 01-Jan-2024 | 7.380% |
50 | ATO Base Rate of Interest | 01-Jan-1971 | 01-Jan-2024 | 4.380% |
51 | ATO Div7A Benchmark Interest Rates | 01-Jul-1998 | 01-Jul-2023 | 8.270% |
52 | NSW Pre-J (Using Sched 5 to 30/6/10 then CRT) | 01-Jul-1972 | 01-Jan-2024 | 8.350% |
53 | ATO Interest on Early and Over Payments | 01-Jan-1971 | 01-Jan-2024 | 4.380% |
54 | Qld Interest on Money Orders | 01-Jul-1998 | 01-Jan-2024 | 10.350% |
55 | SA Supreme Ct Pre-J (UCR Only) | 01-Jan-1980 | 01-Jan-1980 | 5.000% |