Child Tax Credit Calculator

Estimate your Child Tax Credit, Additional Child Tax Credit, Child and Dependent Care Tax Credit, Other Dependent Credit, and Dependent Care FSA tax savings.

Calculation Methodology

The calculator uses the following general steps:

1. Collect filing status, AGI, earned income, qualifying children, other dependents, care expenses, and DCFSA contribution.
2. Estimate taxable income using the standard deduction for the selected filing status.
3. Estimate federal income tax before credits using progressive tax brackets.
4. Calculate the gross Child Tax Credit and Other Dependent Credit.
5. Apply income-based phaseout rules to reduce credits when AGI exceeds the threshold.
6. Estimate the Child and Dependent Care Tax Credit based on eligible care expenses and AGI-based credit percentage.
7. Estimate DCFSA tax savings using the marginal tax rate plus payroll tax savings.
8. Apply non-refundable credits against estimated tax liability.
9. Estimate refundable Additional Child Tax Credit based on earned income and unused Child Tax Credit.
10. Display the estimated total benefit and a breakdown by credit type.

Important Assumptions

This calculator provides an estimate only. It uses simplified federal tax calculations and does not account for every possible tax situation, including itemized deductions, self-employment tax, alternative minimum tax, state taxes, special dependent rules, foreign income, adoption credits, education credits, or other tax adjustments.

Official Government Resources

For official rules and eligibility requirements, please refer to the following government resources:

• IRS: Child Tax Credit
• IRS: Child and Dependent Care Credit
• IRS Publication 503: Child and Dependent Care Expenses
• IRS Publication 972: Child Tax Credit and Credit for Other Dependents
• IRS Form 2441: Child and Dependent Care Expenses

Disclaimer

This calculator is for educational and informational purposes only and does not constitute tax, legal, accounting, or financial advice. Tax laws, credit limits, eligibility rules, phaseout thresholds, and refundable credit amounts may change. The results are estimates and may differ from your actual tax return. You should consult a qualified tax professional or refer to official IRS guidance before making tax or financial decisions.