First-year costs fall into two groups: one-time setup — the crib, stroller, car seat, nursery and out-of-pocket birth costs — and ongoing monthly expenses like childcare, food, diapers, healthcare and the household costs that quietly rise. The one-time spending gets the attention, but the recurring costs are what reshape a budget.
Childcare is almost always the dominant number, frequently more than everything else combined, and unlike gear it doesn't go away — it typically runs until school starts. That's why national averages are close to useless here: a family with a stay-at-home parent or nearby grandparents has a completely different budget from one paying for full-time care in a major city. This calculator lets you override every figure with your own.