Child Tax Credit Calculator (2025)
$2,000 per qualifying child under 17 (up to $1,700 refundable), plus $500 for other dependents — phases out above $200k single / $400k joint.
Configure your scenario
Enter AGI, dependents, and filing status to estimate your Child Tax Credit.
$4,000
$4,000
$3,400
Detailed estimate
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CTC — quick answers
Who qualifies as a child for CTC?+
Under 17 at year-end, US citizen/national/resident, lived with you over half the year, claimed as your dependent, and has a valid SSN issued before the filing deadline.
What is the Credit for Other Dependents?+
A $500 nonrefundable credit for dependents who don't qualify for the CTC (e.g., a 17-year-old, an adult dependent, or a dependent with ITIN).
How does the phase-out work?+
Above $200,000 ($400,000 joint), the combined CTC + ODC drops by $50 for every $1,000 of AGI above the threshold.
Is any of it refundable?+
Yes — up to $1,700 per child for 2025 via the Additional Child Tax Credit (ACTC), subject to earned-income rules.
Official references
Sources & Act Reference
Why this estimate
IRC §24
Sets the $2,000 CTC, $500 ODC, and the $50 per $1,000 phase-out.
Rev. Proc. 2024-40
Sets the 2025 refundable cap at $1,700 per qualifying child.
Rule Trace
Applied rule and official references
Applied rule: Threshold $400,000 for joint; $0 phase-out reduction applied.
Official quick links
Compliance checklist
Verify each child's age, residency, relationship, SSN issued by filing deadline, and your AGI against phase-out thresholds.
Smart Insight
Up to $1,700 per qualifying child can come back as a refund — even if you owe no tax — through the Additional Child Tax Credit.
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