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Deduction estimator

All four Schedule 1-A deductions in one place — tips, overtime, car loan interest and the senior deduction. Enter what applies to you and this works out how much of each survives the cap and the phase-out at your income.

Step 1: About you

$

Your income before these deductions. Every phase-out is measured against it.

Step 2: Which of these apply to you?

Pick any that apply — the amounts you need appear below. None of the four requires you to itemize.

OBBBA Deductions · obbbadeductions.com

Schedule 1-A deduction estimate — tax year 2026

Single · Modified AGI $0 · Prepared October 1, 2026

Your estimate

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Add your income, then tick whichever of the four apply to you.

Deduction breakdown
DeductionAmount
Deduction for qualified tips—
Deduction for qualified overtime compensation—
Deduction for passenger vehicle loan interest—
Enhanced deduction for seniors—

Estimate only. It does not compute your tax liability, and it ignores credits, state tax, and anything else specific to your return.

Estimate only, not tax advice. This site is general information, not tax advice. Figures are estimates and may not reflect the final IRS guidance for the tax year. Confirm your situation with a qualified tax professional or the IRS before filing.

Figures from the statute and IRS guidance, cited in full at obbbadeductions.com/about/. Figures on this site were last checked September 8, 2026. Produced by obbbadeductions.com — nothing entered into the calculator left the browser it was typed into.

This site is general information, not tax advice. Figures are estimates and may not reflect the final IRS guidance for the tax year. Confirm your situation with a qualified tax professional or the IRS before filing.