Adoption Tax Credit Calculator
The federal adoption tax credit, claimed on Form 8839, helps offset qualified adoption expenses up to an annual per-child maximum. The credit phases out as modified adjusted gross income (MAGI) rises above a threshold and disappears across a set income range. This calculator takes your qualified expenses, the maximum credit, and the phaseout start and range to estimate your allowable credit. The maximum, threshold, and range are inflation-adjusted each year, so enter the current figures from the Form 8839 instructions.
Adoption credit formula
Credit before phaseout = min(qualified expenses, maximum credit)
Excess MAGI = max(0, MAGI - phaseout start)
Phaseout fraction = min(1, excess MAGI / phaseout range)
Phaseout reduction = credit before phaseout * phaseout fraction
Allowable credit = credit before phaseout - phaseout reduction
The credit is capped at the per-child maximum and reduced proportionally as MAGI moves through the phaseout range. Once MAGI exceeds the start plus the range, the credit is fully phased out.
Adoption credit context
- The credit is computed on Form 8839 and covers qualified adoption expenses.
- The maximum credit and phaseout threshold are inflation-adjusted each year.
- The credit is generally nonrefundable but carries forward up to five years.
- Special-needs adoptions may claim the full maximum regardless of actual expenses.
- Adopting a spouse's child and surrogate-parenting costs do not qualify.
Adoption credit: frequently asked questions
What is the adoption tax credit?
The adoption tax credit, computed on Form 8839, offsets qualified adoption expenses such as adoption fees, court costs, attorney fees, and travel. The credit is limited to an annual maximum per child and is reduced (phased out) for higher modified adjusted gross income (MAGI). It is nonrefundable but can carry forward up to five years.
What are qualified adoption expenses?
Qualified expenses are reasonable and necessary costs directly related to the legal adoption of an eligible child, including adoption agency fees, court costs, attorney fees, and travel expenses (including meals and lodging) while away from home. Expenses for adopting a spouse's child do not qualify, and surrogate-parenting expenses do not qualify.
How does the income phaseout work?
The credit begins to phase out once your MAGI exceeds a threshold and is fully eliminated over a set range (commonly a $40,000 band) above that threshold. The reduction is proportional: if you are halfway through the phaseout range, you lose half the credit. Enter the current maximum credit, phaseout start, and range, which are adjusted for inflation each year.
Is the credit refundable?
For most years the adoption credit is nonrefundable, meaning it can reduce your tax to zero but not below. Any unused credit can be carried forward for up to five years. Some years and certain special-needs adoptions have had different rules, so check the current Form 8839 instructions.
What about special-needs adoptions?
For the adoption of a child a state has determined to have special needs, you may claim the full maximum credit regardless of your actual expenses, subject to the same income phaseout. If your adoption is of a special-needs child, enter the maximum credit as your qualified expenses to reflect this rule.
Official sources
- U.S. Internal Revenue Service: About Form 8839, Qualified Adoption Expenses.
- U.S. Internal Revenue Service: Adoption Credit (Topic 607).
Reviewed by the CalculatorHub team, edited by James Graham, 17 June 2026. See our methodology.