Will the SALT cap reduce my deductions in 2026 or 2027 planning?
Use this SALT deduction calculator to estimate how the federal cap on state and local tax deductions may affect itemizing. It combines property taxes with state income or sales taxes and compares the result with the applicable cap.
SALT deduction calculator
Quick answer
The SALT deduction includes state and local income or sales taxes plus property taxes, but federal rules cap the amount that can be deducted. This estimator shows how much tax is capped out.
Also answers
- SALT cap calculator
- state and local tax deduction
- property tax SALT cap
- itemized deduction SALT limit
Good fit when
- Estimating SALT cap exposure
- Comparing income tax versus sales tax deduction choices
- Planning itemized deductions
Have ready
- State income tax or sales tax
- Property taxes
- Filing status and itemized deduction context
Result you get
Estimated SALT deduction, capped amount, and lost deduction from the cap.
How this calculation works
- Totals state income tax, property tax, and sales tax inputs.
- Applies the SALT limit for the selected filing status.
- Shows deductible SALT and excess above the cap.
Common mistakes and caveats
- SALT limits and rules can change by law.
- This estimate assumes itemized deductions.
- Local taxes may be treated differently in some cases.
FAQ
Can I deduct sales tax instead of income tax?
Yes. The IRS allows either state income tax or sales tax, but not both.
TaxGuide Pro provides free state and federal tax calculators for individuals, freelancers, and small businesses.