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Itemized Deduction Calculator
Calculate total itemized deductions to determine if you should itemize or take the standard deduction.
About This Calculator
Itemizing makes sense when deductions exceed the standard threshold — most common for homeowners with large mortgage interest and high state taxes. The SALT deduction cap of $10,000 (enacted 2017) hit high-tax states hardest: New York, California, and New Jersey saw the biggest impact.