Senior Deduction Calculator

Estimate the enhanced deduction for seniors: an extra $6,000 for each taxpayer who is 65 or older by year-end, available for tax years 2025 through 2028, reduced by 6% of modified AGI above $75,000 (single, head of household, surviving spouse) or $150,000 (married filing jointly). The tool also converts the deduction into estimated federal tax savings.

To see what the deduction does to your refund with your wages, withholding and credits, use the tax refund calculator.

This calculator is for informational purposes only, and its results are estimates. The deduction you actually claim is computed on Schedule 1-A, Part V, of your federal return.

What to enter

Finding your MAGI quickly

Add up the taxable parts of your income: wages, pensions, traditional IRA and 401(k) withdrawals (including required minimum distributions), Roth conversions, interest, dividends, capital gains, and the taxable portion of Social Security. Subtract above-the-line adjustments such as HSA contributions. Tax-exempt bond interest, qualified Roth withdrawals, and qualified charitable distributions do not count. If your Social Security taxability is uncertain, run the taxable Social Security calculator first and use its result here; the MAGI calculator handles the rest.

How the math works

The official steps are on Schedule 1-A, lines 31 to 37:

1. Line 31: your MAGI.
2. Line 32: $75,000, or $150,000 if married filing jointly.
3. Line 33: MAGI minus the threshold; if zero or less, the amount per person is the full $6,000.
4. Line 34: line 33 × 6%.
5. Line 35: $6,000 minus line 34, not below zero. This is the per-person amount.
6. Lines 36a and 36b: line 35 for you, and line 35 again for a spouse who also qualifies on a joint return.
7. Line 37: the total.

Estimated savings = deduction × marginal rate. If the estimate above differs from what you get working these steps by hand — most likely for a couple in the phase-out range — use the Schedule 1-A result, since the reduction is applied to each spouse's $6,000 separately.

Deduction by income: quick-reference tables

Single, head of household, or surviving spouse (one person 65+)

Married filing jointly, both spouses 65+

If only one spouse is 65 or older, use the "per spouse" column: one qualifying spouse at $170,000 of joint MAGI gets $4,800.

Worked examples

A widow filing as qualifying surviving spouse

Helen, 72, files as a qualifying surviving spouse for the second year after her husband's death, with MAGI of $82,000. Her threshold is $75,000, not $150,000. The excess is $7,000, the reduction $420, and her deduction $5,580. At a 12% marginal rate, it saves about $670. (Once she files as single, the threshold stays at $75,000.)

A couple with a large IRA distribution

George, 74, and Pat, 69, file jointly. Their normal MAGI is $140,000, which gives them the full $12,000. This year they plan to withdraw an extra $45,000 from an IRA to replace a roof, which would push MAGI to $185,000:

• Excess: $35,000; reduction per spouse $2,100; each spouse $3,900; total $7,800.
• The extra $45,000 withdrawal therefore costs them $4,200 of senior deduction ($12,000 − $7,800), on top of the tax on the $45,000 itself. At 22%, that is about $924 more tax.

Splitting the withdrawal across two tax years, or funding part of it from a Roth account or savings, would preserve more of the deduction.

A working 66-year-old

Sam, 66, is single and still working, with $130,000 of wages and no other income. The excess is $55,000, the reduction $3,300, and the deduction $2,700. At 24%, that is roughly $648 in savings. A $10,000 pre-tax 401(k) contribution would cut MAGI to $120,000 and lift the deduction to $3,300, an extra $600 of deduction from the same contribution.

Which years you can claim it, by birth date

The deduction exists only for tax years 2025 through 2028, and you qualify for a year if you are 65 by December 31 under the day-before-your-birthday rule. That makes the number of years available depend on your birth date:

For a married couple, look up each spouse separately. A couple where one spouse was born in 1959 and the other in 1962 gets one $6,000 in 2025 and 2026 and two in 2027 and 2028, subject to the phase-out.

The full picture: what the deduction does to your tax bill

The calculator isolates the $6,000 amount. To see its effect on an actual return, stack it with the other deductions and run the 2026 brackets.

Example: Frank and Rosa, both 70, file jointly in 2026 with MAGI of $100,000 made up of pensions, IRA withdrawals, and the taxable part of their Social Security.

1. Basic standard deduction: $32,200.
2. Additional age deduction: 2 × $1,650 = $3,300.
3. Enhanced senior deduction: MAGI is under $150,000, so 2 × $6,000 = $12,000.
4. Total deductions: $47,500. Taxable income: $100,000 − $47,500 = $52,500.
5. Tax: 10% of the first $24,800 ($2,480) plus 12% of the remaining $27,700 ($3,324) = $5,804.

Without the enhanced senior deduction, taxable income would be $64,500 and the tax $2,480 + 12% × $39,700 = $7,244. The deduction saves them $1,440, exactly $12,000 × 12%, because all of it came off income taxed at 12%. The bracket thresholds are from the IRS's 2026 inflation adjustments.

How to read your result

• Qualifying people shows whether one or two $6,000 amounts apply.
• Phase-out shows the total reduction from your MAGI.
• Deduction is the estimate for Schedule 1-A line 37.
• Tax savings is deduction × marginal rate. It slightly overstates the benefit if the deduction drops part of your income into a lower bracket.

Turning the estimate into lower withholding

Retirees usually pay tax through withholding on pensions and IRA payouts, voluntary withholding on Social Security, or quarterly estimates — and each can be adjusted once you know your number:

• Pensions and annuities: file a new Form W-4P with the payer and include the expected senior deduction among your deductions.
• Social Security: Form W-4V only offers flat rates (7%, 10%, 12%, or 22%), so switching to a lower rate is the lever.
• Quarterly estimates: reduce your Form 1040-ES payments by about the estimated savings divided by four.
• Still working: list the deduction in Step 4(b) of Form W-4.

Adjust conservatively if your MAGI could rise late in the year, for example from a year-end capital gain distribution or a required minimum distribution.

What the calculator does not include

• Your regular standard deduction. The $6,000 is in addition to the 2026 standard deduction ($16,100 single, $32,200 joint, $24,150 head of household) and the extra $2,050 (single) or $1,650 per spouse for age 65 or blindness. Use the standard deduction calculator to see the full stack.
• Eligibility checks beyond age. You need a Social Security number valid for employment, and married couples must file jointly.
• The 2028 sunset. The deduction ends after the 2028 tax year unless Congress extends it.

For eligibility details, how the deduction interacts with Social Security taxation, and planning moves for retirees in the phase-out range, read the senior tax deduction guide. To combine it with tips, overtime, or car loan interest, use the WFTC savings estimator.