Dependent Care FSA Calculator
Calculate FSA tax savings on childcare expenses and compare FSA vs the Dependent Care Tax Credit — including how divorce filing status affects your limits.
FSA vs CDCC credit comparison chart, and marginal tax rate impact visualization across income levels.
Full optimization with EITC interaction, MFS limitation analysis, employer DCAP matching, and 5-year carry analysis.
How the Dependent Care FSA Calculator Works
There are two primary federal tax benefits for childcare expenses: the Dependent Care FSA (Flexible Spending Account) and the Dependent Care Tax Credit. Most families with employer access to a Dependent Care FSA should use both — max the FSA first, then claim the credit on any remaining eligible expenses.
The FSA reduces your taxable income before it's calculated, saving you federal income tax, FICA taxes (Social Security + Medicare), and state income taxes on the contributed amount. The tax credit directly reduces your tax liability. For most middle-income earners, the FSA generates more savings than the credit dollar-for-dollar, but the two can be stacked.
The key limitation: if you're Married Filing Separately, your FSA maximum drops from $5,000 to $2,500. This is an important consideration in divorce planning — once you file separately, your FSA cap is cut in half.
FSA vs Credit Formula
The DC credit rate is non-refundable (unlike the CTC's ACTC). If your federal tax liability is zero, you cannot benefit from the DC credit. Lower-income families who owe little tax may benefit more from the credit than the FSA — the optimizer tab accounts for this.
Example Calculation
Example: Family with $95,000 AGI, 22% bracket, 1 child, $14,760 daycare
With one child, the $5,000 FSA uses up the entire $3,000 DC Credit expense base (plus $2,000 more), so no additional credit applies. With two children ($6,000 credit base), $1,000 of expenses remain after the FSA, generating an additional $200 credit at the 20% rate.