Family Law & Financial Calculators

How DIY Family Law Australia can help

We have over 200 free fact sheets on our website, but we will also soon have DIY Kits and E-books available as well.

But we also have links to Calculators & Other Websites which could really help you as well.

Family Law Calculators

Child Support

Estimate Child Support Payable
If you want to check or find out an estimate of how much child support may be payable. This calculator provides an excellent estimate but you should not rely on it in place of a Child Support Assessment. You must lodge a Child Support Application to get get a Child Support Assessment in place.

Percentage of Care for Child Estimator
This estimate enables you to calculate the percentage of time (‘care percentage’) you have for your child or children over a year. The Child Support formula changes based on the ‘care percentage’.

Property Settlement, Income & Financial

Net Worth Calculator
ASIC’s Money Smart financial guide  helps you estimate your net worth. It prompts you to take into account your home, investment properties, superannuation, trusts, shares, investments, savings, business values, vehicles, boats etc, as well as your mortgage, loans, credit card & store debts, hire purchase, business loans, interest free loans etc.

Car Prices Guide & Valuation
The search facility from Red Book enables you to research car prices and also offers a Valuation Report.

Share Prices (Australia)
If you have shares as part of your property pool, you can use the Australian Securities Exchange (ASX) website to obtain the current price (value) of a share.

Centrelink Payment & Service Finder
This tool from the Department of Human Services (Centrelink) helps you find out how much money you might be able to get from the Department, including for example:

  • Centrelink Payments, including pensions & allowances
  • Family Tax Benefit
  • Child Care fee assistance
  • Comparing Youth Allowance or Abstudy with family assistance payments to work out which payment is better for you.

Budget Planner
This ASIC resource gives you practical steps to help you budget, see where your money is going etc.

Credit Card Calculator
You can use this to see how long it will take to pay off your card if you only make the minimum repayments and how much time (and money on interest) you’ll save if you make higher repayments.

Personal Loan Calculator
This calculator helps you work out how much you can borrow, what your repayments will be and how you can repay your loan sooner.

Various Other Financial Calculators
The Government’s Money Smart website has a variety of calculators, tookits, resources and apps designed for almost all money issues and any financial goals you have, including:

  • Compound Interest
  • Retirement Planner
  • Savings Goal Calculator
  • Superannuation & Pension Age Calculator
  • Mortgage Switching Calculator
  • GST Calculator
  • Mortgage Switching Calculator
  • Superannuation vs Mortgage Contribution Tool
  • Payday Loan Calculator
  • Unclaimed Money Finder
  • Mobile Finance Apps
  • Financial Teaching Resources

Real Estate & Taxation

Property Price Research
You can enter a street address here to give you an estimate of the house price and in some cases, obtain the property history including the last sold for price.  You can also enter a suburb or postcode to do property price research.

Stamp Duty on Property Purchase Calculator
This calculator gives you an idea of the Government Stamp Duty payable when you purchase a house, or land in Australia.  It includes Foreign Buyers Duty if that is applicable for you.

Rent vs Buy Calculator
You can use this calculator to see how your finances would look seven years after buying a home, or continuing to rent for that period, helping you to make a choice between the two.

Income Tax Calculator
This calculator will calculate the tax payable on our taxable income for the current year and the previous 5 years.

Capital Gains Tax (CGT) Calculator
If you are selling land, a home or investment property, then you may have to pay Capital Gains Tax on the sale. This calculator will tell you whether you will and if so, how much it could cost you.

Salary (Take home Net Pay) Calculator (including tax rate & Superannuation)
This is a simple tool that will help you work out how much you will be paid after tax, as well as how much Superannuation is payable. The calculator includes tax rates for the 2018-2019 tax year as well as the legislated changes to take place in 2022 and 2024.


Helpful Links


Go to our helpful links page to see click through links for:

  • Community Legal Centres
  • Contact Centres
  • Counselling Services
  • Federal Courts
  • State Courts
  • Dispute Resolution / Mediation Services
  • Family Violence / Personal Safety
  • Relevant Government Departments
  • Law Societies & Law Institutes
  • State Legal Aid Services
  • Legal Research
  • Legislation
  • Other Family Law Related Resources
  • Parenting Resources