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Estimate federal and Alabama tax for 2026, then compare with withholding to see if you may receive a refund or owe additional tax.
As of 2026 · Alabama state data: Alabama Department of Revenue
Federal tax after credits
$9,278.1
State tax
$4,330
FICA
$7,650
Estimated owed
$2,258.1
For this sample profile, effective tax rate is 21.26% and the estimated amount owed is $2,258.1.
Source: FinCalc server-rendered example using the same formulas as the interactive calculator.
Estimated amount owed
$7,577.6
Your tax is $23,578. With $16,000 withheld, you may owe $7,578.
Federal tax (after credits)
$11,850.1
State tax
$4,460
FICA (SS + Medicare)
$7,267.5
Child tax credit
$0
Effective tax rate
24.82%
Marginal tax rate
34.65%
AGI
$94,000
Taxable income (federal)
$77,900
Alabama uses progressive income tax brackets. Single and married filing jointly rates:
| Taxable Income | Rate |
|---|---|
| $0–$500 | 2.00% |
| $500–$3,000 | 4.00% |
| $3,000+ | 5.00% |
| Taxable Income | Rate |
|---|---|
| $0–$1,000 | 2.00% |
| $1,000–$6,000 | 4.00% |
| $6,000+ | 5.00% |
This estimator uses IRS 2026 federal brackets, the selected state tax brackets, and employee FICA rates to estimate your total annual tax.
Refund or amount owed is computed as withholding minus total tax. Positive means refund; negative means additional tax due.
Child tax credit is modeled at $2,000 per dependent with phaseout assumptions beginning at $200,000 (single/HOH) and $400,000 (married filing jointly).
Data and assumptions align with official publications. For verification and current figures:
Alabama runs a progressive state income tax with 3 brackets, topping out at 5.00% for the highest earners. Lower-income filers pay a much smaller marginal rate; the effective rate rises with income because only the portion of wages within each band is taxed at that band's rate. Alabama's state standard deduction is $4,000 for single filers and $8,000 for married couples filing jointly in 2026. Birmingham, Bessemer, and a few other Alabama cities charge an occupational license tax of about 1% on wages.
For tax returns filed in Alabama, federal income tax follows IRS 2026 brackets and FICA is withheld at 7.65% (employee share). Alabama requires a separate state return; state taxable income is generally federal AGI minus state-specific deductions (state standard deduction $4,000 single / $8,000 married for 2026). Birmingham, Bessemer, and a few other Alabama cities charge an occupational license tax of about 1% on wages.
Data current as of 2026; verify with Alabama Department of Revenue (https://www.revenue.alabama.gov/faqs/what-is-alabamas-individual-income-tax-rate/) before relying on these figures for filing.
A simplified estimate compares total tax liability against withholding year-to-date. If withholding is greater than estimated total tax, the difference is a potential refund. If withholding is lower, you may owe additional tax when filing.
This estimator includes federal income tax brackets, state income tax by state, employee FICA (Social Security and Medicare), and a simplified child tax credit model. It also accounts for common pre-tax adjustments like 401(k), HSA, and IRA contributions.
AGI is modeled as gross wages plus other income minus selected pre-tax contributions and half of entered student loan interest deduction. This is a planning approximation intended for quick tax forecasting, not filing preparation.
Refund estimates are sensitive to withholding, bonuses, side income, and credits. If your income pattern changes during the year, your final federal and state tax may differ from earlier estimates even with the same filing status.
A single filer earning $50,000 of W-2 wages in Alabama (2026, standard deduction, no dependents) owes about $3,820 federal income tax, $2,260 Alabama state tax, and $3,825 FICA — total tax around $9,905 (effective rate 19.81%).
A single filer earning $75,000 of W-2 wages in Alabama (2026, standard deduction, no dependents) owes about $7,670.1 federal income tax, $3,510 Alabama state tax, and $5,737.5 FICA — total tax around $16,917.6 (effective rate 22.56%).
A single filer earning $100,000 of W-2 wages in Alabama (2026, standard deduction, no dependents) owes about $13,170.1 federal income tax, $4,760 Alabama state tax, and $7,650 FICA — total tax around $25,580.1 (effective rate 25.58%).
Alabama has 3 state income tax brackets for 2026, ranging from 2.00% on the first dollars of taxable income to 5.00% on the top band. See the bracket table above for thresholds.
Federal tax returns are due April 15 (or the next business day if that falls on a weekend or holiday). Alabama state returns are generally due the same day as the federal return. Extensions of six months are available but do not delay tax payment.
The federal standard deduction for 2026 is $16,100 for single filers and $32,200 for married filing jointly, applied before federal brackets. Alabama adds its own state standard deduction of $4,000 single / $8,000 married for 2026.
Compare your total estimated tax (federal + state + FICA) to your total withholding (federal + state YTD W-2 box 2 and box 17) — if withholding exceeds total tax you get a refund; otherwise you owe. Common refund boosters: dependents (Child Tax Credit up to $2,000 each), 401(k) and HSA contributions reducing AGI, student-loan interest, and itemized deductions when they exceed the standard. Use the calculator above to model your scenario.
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