2026 TAX YEAR · INCLUDES OBBBA

How Much of Your Social Security
Will Be Taxed in 2026?

Get a precise federal tax estimate using the new $6,000 senior deduction from the One Big Beautiful Bill Act. Most retirees are surprised by what they find.

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Your Numbers

Annual amounts. Leave blank or zero for items that don't apply.

Household

Social Security & Wages

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$
$
$

Retirement & Other Income

$
$
$
$
$
$
$
$
Quick test: half of your Social Security plus all your other taxable income. If that number is over $44,000 (married) or $34,000 (single), part of your SS gets taxed.

Your 2026 Federal Tax

Updates live as you type. Federal only — California doesn't tax SS.

Estimated Federal Tax
$0
0% effective rate
Total household income$0
Provisional income$0
Social Security taxable$0
SS percent taxed0%
Adjusted gross income$0
− Standard deduction$0
− Senior addl. (age 65+)$0
− OBBBA $6k senior bonus$0
Taxable income$0
Federal tax (2026)$0
Enter your numbers to see how the math works.

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How the 2026 SS Tax Math Works

What's "provisional income" and why does it matter?
It's the IRS's threshold test for whether your Social Security gets taxed: all your taxable income, plus tax-exempt muni interest, plus 50% of your Social Security. Roth withdrawals don't count. If your provisional income is over $44,000 married ($34,000 single), some of your SS gets taxed at the federal level.
Why does the calculator say zero tax at $70k retired?
Because the new OBBBA "senior bonus" deduction adds $6,000 per spouse 65+ on top of the standard deduction and the existing senior add-on. For a couple at $70k of mixed retirement income, total deductions reach ~$46,700, which usually wipes out federal tax entirely. The OBBBA bonus expires after tax year 2028 unless Congress extends it.
When does the OBBBA bonus phase out?
It reduces by 6 cents per dollar of MAGI over $150,000 (joint) or $75,000 (single). Couples are fully phased out at $250,000 MAGI; singles at $175,000. The phase-out applies to each qualifying spouse separately.
Is California tax included?
No. This calculator is federal only. California does not tax Social Security but does tax IRA/401(k) withdrawals, pensions, interest, dividends, and capital gains. Add 4-9% of your taxable non-SS income for a CA estimate.
How accurate is this?
Built on the official 2026 IRS inflation adjustments and OBBBA rules. Provisional income, taxable Social Security, deductions, and bracket math all use current statutory formulas. It does not model itemized deductions, AMT, NIIT, IRMAA Medicare surcharges, RMD interactions, or QBI. Treat it as a planning estimate, not a tax return.