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GOV.UK: Calculate your child maintenance

Free government calculator that estimates child maintenance.

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About GOV.UK: Calculate your child maintenance

This calculator gives an estimate of child maintenance to discuss with the other parent, and shows what the Child Maintenance Service would be likely to work out. It does not send your details to the Department for Work and Pensions. It is also available in Welsh.

How they can help

  • Child maintenance estimate
  • Guidance on private arrangements
  • Available in Welsh

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