Child support calculators

Each calculator follows the official rules of its country for 2026. They give an estimate – check with the official calculator.

Child support calculator Germany 2026 (Düsseldorfer Tabelle)

Enter the net income of the parent who pays and the children's ages. The calculator finds the income group in the Düsseldorfer Tabelle 2026, deducts the Kindergeld share and checks the Selbstbehalt.

Child support calculator Denmark 2026 (børnebidrag)

Enter the yearly income of the parent who pays and how many children they support. You see whether normalbidrag or increased support applies, per child and per month.

Child maintenance calculator UK 2026

Enter the paying parent's gross weekly income, how many children maintenance is for, other children living with them and the nights the children stay with them. The result follows the Child Maintenance Service formula.

Child support calculator France 2026 (pension alimentaire)

Enter the paying parent's net monthly income, how many children they support in total and the custody arrangement. The calculator applies the Ministry of Justice reference table after deducting the minimum vital (RSA 2026: 651.69 €).

Maintenance support calculator Sweden 2026 (underhållsstöd)

See the underhållsstöd for each child and estimate what the parent who doesn't live with the child pays back to Försäkringskassan, based on their income.

Child support estimate Norway 2026 (barnebidrag)

An estimate based on NAV's rates from 1 July 2026: the child's costs by age, the parents' income shares and the deduction for contact. NAV's full calculation also tests ability to pay and childcare costs.