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Sales Tax Deduction Calculator

Free#18 of 30 in Tax Calculators

Sales Tax Deduction Calculator: A free IRS web calculator for estimating an optional sales-tax deduction. Ranked #18 of 30 in Tax Calculators by our editors (7.9/10); pricing: Free plan; best for U.S. filers estimating a sales-tax deduction.

7.9/10Editor score
Visit IRS
Sales Tax Deduction Calculator7.9 Visit IRS

At a glance

  • Editor score
    7.9 / 10
  • Pricing
    Free plan
  • Best for
    U.S. filers estimating a sales-tax deduction
  • Free plan
    Yes
  • Paid from
    None
  • Calculator types
    State and local general sales tax deduction estimate
  • Facts checked
    5 Oct 2026

  • Where it wins

    • Estimates the optional state and local general sales-tax deduction
    • Factors in filing status, residence, income and nontaxable income
    • Accounts for large purchases made during the tax year

  • Where it doesn't

    • Focused on one deduction rather than broader tax estimates
    • For individual return preparation, not tax-preparation software
    • Requires JavaScript to use the live calculator

Our verdict on Sales Tax Deduction Calculator

For individual taxpayers preparing a return, the IRS Sales Tax Deduction Calculator estimates the optional state and local general sales-tax deduction that may be claimed when itemizing. It is a free, web-based IRS tool, not tax-preparation software. Its purpose is narrow: estimate this deduction rather than calculate a full tax bill or cover multiple tax questions. Filers who want a focused estimate for this itemized deduction are its natural audience; people seeking broader tax calculations should look elsewhere.

The estimate is shaped by the tax year being completed, filing status, residence, income and nontaxable income, as well as large purchases made during that year. Filing status choices include Single, Married Filing Jointly, Head of Household, Qualifying Widow(er) and Married Filing Separately. This input set makes the calculator more specific than a simple flat estimate, particularly for taxpayers whose residence, filing status or large purchases affect the result. The published description says the tool provides a result based on the responses; it remains an estimate, not tax-return preparation.

The key tradeoff is breadth: the calculator addresses only the state and local general sales-tax deduction, a single use case within individual tax calculations. That focus can suit a filer deciding whether to account for this optional deduction while itemizing, but it will not replace software for preparing and submitting a return or answer unrelated tax questions. Choose it for this particular estimate; choose a broader calculator or tax-preparation product if you need calculations beyond it. The live calculator requires JavaScript, so access depends on a browser environment where JavaScript is enabled.

Sales Tax Deduction Calculator pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on apps.irs.gov

Sales Tax Deduction Calculator fact sheet

Free planYes
Paid fromNone
Calculator typesState and local general sales tax deduction estimate
Tax jurisdictionsMultiple
Income sourcesNot verified
Filing statusesSingle; Married Filing Jointly; Head of Household; Qualifying Widow(er); Married Filing Separately
Tax yearsNot verified
Platformsweb
DeploymentCloud
PlatformsWeb
Built forSolo (editorial estimate)
PricingFree plan
Websiteapps.irs.gov
Facts checked5 Oct 2026

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Featured on iTechGuides — Sales Tax Deduction Calculator 7.9/10

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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