Does my existing order change automatically?
No. An order or agreement made before October 1, 2025 does not change by itself. However, a difference between your current amount and the new table amount can be treated as a change in circumstances, which may allow either parent to ask for an update.
Is this calculator updated?
Yes. Every amount on this site uses the 2025 tables. Some older calculators online still use the 2017 tables, which can give the wrong number.
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Child Support by Province
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Be the family lawyer parents in your province see the moment they get their number.
General information only, not legal advice. For your situation, speak with a family lawyer or your province's family justice services.