FSA Calculator (Flexible Spending Account)

2026

Calculate FSA tax savings and recommended contribution. 2026 limit: $3,500 healthcare.
FSA Type
$
%
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Recommended Contribution

$3,000.00

Total Tax Savings

$1,039.50

Net Monthly Cost

$163.38

Tax Savings Breakdown

FSA Contribution$3,000.00
Federal Tax Savings (22%)$660.00
State Tax Savings (5%)$150.00
FICA Savings (7.65%)$229.50
Total Tax Savings$1,039.50
Effective Tax Rate Saved34.7%

Monthly Paycheck Impact

Monthly Contribution- $250.00
Monthly Tax Savings+ $86.63
Net Monthly Paycheck Reduction$163.38
For Every $1 in FSAYou save $0.35 in taxes

Use It or Lose It: Most healthcare FSA funds must be used by Dec 31 or you forfeit them.

Grace Period: Some plans offer a 2.5-month grace period (until March 15) to spend remaining funds.

Rollover: Some plans allow rolling over up to $660 (2026) to the next year.

Use the FSA Calculator (Flexible Spending Account) above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our FSA Calculator helps you estimate your potential tax savings and recommends an optimal contribution amount for your Flexible Spending Account (FSA) in 2026. Understanding these figures is crucial for maximizing your take-home pay by utilizing pre-tax dollars for eligible healthcare expenses. For 2026, the healthcare FSA contribution limit is $3,500, offering a significant opportunity for tax relief.

This calculator determines your tax savings by multiplying your projected FSA contribution by your combined federal, state, and FICA (Social Security and Medicare) tax rates. We then suggest a contribution based on your anticipated eligible healthcare expenses, aiming to cover these costs with pre-tax income while avoiding forfeiture. The recommended contribution is capped at the 2026 limit of $3,500 for healthcare FSAs.

Remember that FSA funds are 'use-it-or-lose-it,' so accurately estimating your healthcare expenses is vital to avoid forfeiting unused funds at year-end. Common mistakes include overestimating expenses or forgetting about the grace period or carryover options your plan might offer. Always review your plan's specific rules regarding these features.

Example: Samantha's 2026 FSA Calculation

  1. 1 Samantha anticipates $2,000 in eligible healthcare expenses for 2026. Her combined tax rate (federal, state, FICA) is 25%. She wants to maximize her tax savings.
  2. 2 Inputting $2,000 as her anticipated expenses, the calculator multiplies this by her 25% tax rate. It also recognizes that $2,000 is below the $3,500 FSA limit.
  3. 3 The calculator recommends a $2,000 FSA contribution. This results in estimated tax savings of $500 ($2,000 * 0.25).
  4. 4 By contributing $2,000 to her FSA, Samantha effectively pays for her healthcare expenses with pre-tax dollars, saving $500 compared to paying with after-tax income. She stays well within the 2026 FSA limit.

Source: HealthCare.gov · Last updated: April 2026

Frequently Asked Questions

What is the FSA contribution limit for 2026?
The 2026 healthcare FSA contribution limit is $3,500 per employee. The dependent care FSA limit remains $5,000 per household ($2,500 if married filing separately). Your employer may set a lower limit.
Do I lose my FSA money at the end of the year?
FSAs have a "use it or lose it" rule, but your employer may offer one of two options: a grace period of up to 2.5 extra months to spend remaining funds, or a rollover of up to $660 (2026) into the next year. Check your plan documents.
How much does an FSA save me in taxes?
FSA contributions avoid federal income tax, state income tax (in most states), and FICA taxes (7.65%). At a 22% federal bracket, a $3,500 FSA contribution saves approximately $1,038 in combined taxes.

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