Cost Calculator AI
Family & ChildcarePre-Tax Savings

Dependent Care FSA Calculator

Calculate your annual tax savings by funding an employer pre-tax Dependent Care Flexible Spending Account (DCFSA) up to the $5,000 IRS limit.

Pre-Tax Dependent Care FSA Contributions

Total Tax Savings
—
annual tax reduction
Monthly Take-Home Boost
—
paycheck savings
Effective Tax Shield
—
combined marginal rate
FICA Savings Portion
—
7.65% payroll exemption

DCFSA Tax Savings Formula

Total Tax Savings = Annual DCFSA Contribution × (Federal Marginal Bracket + FICA Rate [7.65%] + State Marginal Bracket)
  • Contribution Ceiling: Maximum of $5,000 per year for single parents or married couples filing jointly ($2,500 if married filing separately).
  • Exempt from Payroll Taxes: Unlike 401(k) or traditional IRAs, DCFSA contributions are fully exempt from Social Security (6.2%) and Medicare (1.45%) taxes.
  • Use-It-or-Lose-It: Contributions must be spent on qualifying childcare within the plan year (plus grace period if employer offers it).

Step-by-Step Worked Example

Scenario: Working couple contributing $5,000 to DCFSA in 22% federal bracket and 5% state tax bracket

Calculation Steps:

  1. Total Combined Marginal Tax Rate = 22% + 7.65% + 5% = 34.65%
  2. Total Annual Tax Savings = $5,000 × 34.65% = $1,732.50
  3. Take-Home Pay Savings per Month = $1,732.50 / 12 = $144.38/mo
Result: Contributing the maximum $5,000 reduces your total tax liability by $1,732.50 for the year.

How to Use This Calculator

  1. 1Enter your planned annual DCFSA contribution (up to $5,000).
  2. 2Select your marginal federal income tax bracket.
  3. 3Enter your state income tax percentage.

Assumptions & Limitations

  • Assumes earned income is subject to standard FICA taxes up to the Social Security wage base.

Frequently Asked Questions

Is a Dependent Care FSA better than the Child Care Tax Credit?

For almost all households with an AGI above $43,000, the DCFSA delivers greater savings (30% to 40%+ combined tax savings including 7.65% FICA) compared to the flat 20% credit on Form 2441.

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