How much child support?
Simulate how much is paid or received, or whether a review up or down is possible, using the criteria Brazilian courts usually apply.
The law only allows a review if something has changed since the last decision or agreement. Answer with that period in mind.
School, health, therapy, food, housing. Children grow and expenses usually rise.
Use the amount after INSS and income tax deductions. Overtime and fixed allowances count.
Without proven income, child support is usually set as a percentage of the minimum wage.
Other children who depend on the paying parent, from another relationship.
Do you know the child's expenses? Calculate by fair split (optional)
By law, both parents share the children's expenses in proportion to what each earns.
| Percentage | Per month |
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- The law does not set a percentage. The judge balances the needs of the receiving party with the paying party's ability to pay.
- The reference range is an estimate to start the conversation, not a rule. Each case has its own amount.
- Special expenses (health, private school, therapy) and the paying parent's other children change the calculation.
Informational tool, with no data collection: the calculation is done on your own device. It does not replace a review of the case by a lawyer. Basis: arts. 1.694, § 1, 1.699 and 1.703 of the Brazilian Civil Code; art. 15 of Law 5.478/1968; STJ Precedents 358 and 621 and Topic 192. 2026 minimum wage: R$ 1,621.00 (Decree 12.797/2025). SPD Advocacia · OAB/GO 3.123. Content in accordance with OAB Provision 205/2021.
See also