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Standard vs Itemized Deduction Calculator

Determine whether to take the standard deduction or itemize for 2025 tax year

Updated for OBBBA 2025 provisions

Taxpayer Information

Filing Status

SingleMarried Filing JointlyMarried Filing SeparatelyHead of Household

Adjusted Gross Income (AGI)

Your AGI from line 11 of Form 1040. This is used for various deduction thresholds.

Taxpayer is 65 or older

Adds additional standard deduction and qualifies for $6,000 senior deduction

Taxpayer is legally blind

Adds additional standard deduction amount

Can be claimed as a dependent

Limits standard deduction to $1,250

Potential Itemized Deductions

Medical and Dental Expenses

Total medical expenses paid. Only amounts exceeding 7.5% of AGI are deductible.

Deductible only above 7.5% of AGI

State and Local Taxes (SALT)

Includes state income/sales tax and property taxes. Capped at $40,000 (with phase-out above $500k MAGI).

Capped at $40,000 per OBBBA

Mortgage Interest

Interest on mortgage debt up to $750,000 of loan principal (made permanent by OBBBA).

On loans up to $750,000

Charitable Contributions

Cash and property donations. Limited to 60% of AGI for cash contributions.

Up to 60% of AGI

Optional Deductions

Casualty and Theft Losses

Only for federally declared disasters. Deductible above 10% of AGI minus $100 per event.

Gambling Losses

Limited to 90% of losses (OBBBA provision), up to gambling winnings.

Gambling Winnings

Investment Interest Expense

Interest paid on loans to purchase investments. Limited to investment income.

Investment Income

Recommendation

Take Standard Deduction

You'll save $15,750 more by taking the standard deduction

Standard Deduction

$15,750

Itemized Deduction

Deduction Breakdown

Base Standard Deduction:$15,750

Total Tax Benefit

Total Deduction:$15,750

Important Notes:

• Educational estimate only - not tax advice
• Based on 2025 OBBBA tax law provisions
• Medical expenses are deductible only above 7.5% of AGI
• SALT capped at $40,000 with phase-out above $500,000 MAGI
• Mortgage interest limited to debt of $750,000 or less
• Casualty losses only for federally declared disasters
• Gambling losses limited to 90% and capped at winnings
• Miscellaneous deductions remain disallowed
• Consult a tax professional for personalized guidance

Last updated: October 2025

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