2026 SALT Cap Deduction Calculator

Background.

2026 SALT Cap Deduction Calculator is a checking tool for people trying to apply the 2026 federal cap and entered high-income reduction to eligible state and local taxes. The SALT deduction covers qualifying state and local income or sales tax plus property tax, subject to a federal ceiling for itemizers. That definition leads directly to the displayed relationship: “allowed SALT deduction = min(eligible state and local taxes, statutory cap - applicable high-income cap reduction).”

The editable entries are eligible state and local taxes paid, 2026 statutory salt cap before income-based reduction, applicable high-income cap reduction. Use values from the document or measurement that governs this 2026 salt cap deduction question; the defaults are only the worked fixture below. The main trap is specific to 2026 salt cap deduction: the calculator does not decide which taxes qualify, model filing-status variants, or compute the income-based reduction from MAGI.

IRS Publication 6079, 2026 state and local tax deduction limit documents the convention or governing rule used here. The 2026 salt cap deduction output is a transparent scenario under those facts: it does not manufacture an unentered market price, professional determination, carrier quote, legal eligibility finding or locally adopted code value.

What is 2026 salt cap deduction calculator?

2026 SALT Cap Deduction is the relationship behind this decision: the SALT deduction covers qualifying state and local income or sales tax plus property tax, subject to a federal ceiling for itemizers. On this page it means allowed SALT deduction = min(eligible state and local taxes, statutory cap - applicable high-income cap reduction). The calculator does not decide which taxes qualify, model filing-status variants, or compute the income-based reduction from MAGI; that is the line between the reported quantity and a broader tax analysis.

How to use this calculator.

1. 01Confirm that “allowed SALT deduction = min(eligible state and local taxes, statutory cap - applicable high-income cap reduction)” matches the 2026 salt cap deduction convention you need.
2. 02Replace the fixture values for eligible state and local taxes paid, 2026 statutory salt cap before income-based reduction, applicable high-income cap reduction with dated values from the governing record.
3. 03Keep all currencies, measurement units and time periods on the same basis before calculating.
4. 04Read allowed salt deduction under entered cap together with this boundary: The calculator does not decide which taxes qualify, model filing-status variants, or compute the income-based reduction from MAGI.

The formula.

The calculation uses allowed SALT deduction = min(eligible state and local taxes, statutory cap - applicable high-income cap reduction). In this 2026 salt cap deduction model, the entered terms are eligible state and local taxes paid, 2026 statutory salt cap before income-based reduction, applicable high-income cap reduction. The SALT deduction covers qualifying state and local income or sales tax plus property tax, subject to a federal ceiling for itemizers, which is why the relationship is presented under this name rather than as a universal alternative. The calculator does not decide which taxes qualify, model filing-status variants, or compute the income-based reduction from MAGI. Calculations keep full decimal precision through the relationship and round only the returned display values.

A worked example.

Frequently asked questions.

References& sources.

1. [1]IRS Publication 6079, 2026 state and local tax deduction limit. Retrieved 2026-08-07. access: open unless marked otherwise.
2. [2]U.S. Internal Revenue Service. Topic no. 503, Deductible taxes. Retrieved 2026-08-07. independence: primary; access: open.
3. [3]U.S. Internal Revenue Service. Tax inflation adjustments for tax year 2026. Retrieved 2026-08-07. independence: primary; access: open.