Planning estimate only — not a quote, claim, or medical advice. Confirm with your plan documents.
Benefits worksheet
FSA calculator: how much should you set aside this year?
Enter your planned FSA contribution, expected eligible spend, and marginal tax rate. See unused risk vs tax savings - not a substitute for your employer's FSA booklet.
Your numbersStays on device
Your numbers
$
$
%
Federal + state ballpark for a rough tax-savings estimate.
Rough net benefit (tax save minus unused risk)
$160
Positive means tax savings exceed unused contribution under these assumptions.
- Estimated tax savings
- $660
- Unused contribution risk
- $500
- Net benefit
- $160
Not payroll or tax advice. Carryover and grace-period rules vary by employer plan.
Related estimates
Common questions
Yes - it focuses on contribution size vs expected spend, not federal agency account login tools.
That is the unused risk line. Grace periods or limited carryover can reduce real forfeiture - check your plan.
Different rules and ownership. This page models a typical healthcare FSA contribution decision only.
A combined federal + state marginal estimate is enough for direction. Exact withholding differs.