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Cost of Raising a Child Calculator

Enter the annual cost, number of years and inflation to estimate the total.

Result

$280,973.22
$1,300.80
$15,609.62

How it is calculated

The tool adds up a yearly cost that grows with inflation. Year 1 costs the annual amount you enter; each later year is the previous year's cost multiplied by (1 + i), where i is the inflation rate as a decimal (3% becomes 0.03). The total is Σ annual × (1 + i)y for y = 0, 1, … years − 1. If the number of years has a fraction, the final part-year is counted pro rata (2.5 years = two full years plus half of the third). The average per year is the total divided by years, and the average per month is the total divided by years × 12. Leaving inflation empty counts as 0%. Annual cost must be above zero, years must be between 0.01 and 150, and inflation must be above −100%; otherwise no result is shown. The tool uses one starting figure for the whole childhood, so it cannot show that costs differ by age, and amounts are shown in US dollars.

Worked example

Suppose you expect to spend $12,000 in the first year, for 18 years, with 3% inflation. The costs rise from $12,000 in year 1 to $12,360 in year 2, then $12,730.80 in year 3, and so on until year 18. Added together they come to $280,973.22. Dividing by 18 years gives an average of $15,609.62 per year, and dividing by 216 months gives $1,300.80 per month. With 0% inflation the same inputs would give only $216,000.00.

Try this example →

Common mistakes

  • Entering the annual cost as a monthly figure. The first field is the cost for one year; a monthly budget of $1,000 must be entered as 12000.
  • Typing inflation as a decimal. For 3% enter 3, not 0.03, otherwise the tool uses 0.03% and the total barely differs from the flat sum.
  • Reading the monthly result as what you will pay every month. It is an average over all years; the real monthly cost starts lower and ends higher when inflation is above zero.
  • Using a single starting cost when spending is very different by age, for example infancy childcare versus the teenage years. The tool cannot split by age, so run separate periods and add them.
  • Forgetting that the figures are in US dollars and are not adjusted to your country's prices.

Sources

About this calculator

Raising a child involves a stream of annual costs — food, clothing, childcare, education, healthcare — that tend to rise over time rather than stay flat, largely because of ordinary price inflation. This calculator starts from an estimated annual cost and compounds it year over year using an optional inflation rate, adding each year's inflated cost to a running total rather than simply multiplying a flat figure by the number of years.

The approach mirrors how organizations like the USDA historically estimated the cost of raising a child to age 18 in its "Expenditures on Children by Families" reports, which broke costs into categories and tracked how they grew with inflation over time. It's a planning tool for prospective and current parents budgeting for the long haul, and for financial planners helping clients set savings targets for child-related expenses.

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