Calculate Child Maintenance

If you'd like to know how much maintenance you might pay or receive, you can use the calculator on the Department for Social Development website.

How to use this service

To use the calculator you'll need to know:

  • the non-resident parent's net weekly income (there’s an online tool to help you work this out)
  • the number of children the maintenance is to be paid for
  • the number of nights, on average, the non-resident parent has the child for each year
  • the number of other children living in the non-resident parent’s household

The calculator can give you an indication of the amount of maintenance that might be payable with an arrangement through the Child Maintenance and Enforcement Division.

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