Standard vs Itemized Deduction Calculator
Enter your filing status and deductible expenses. This calculator tells you exactly whether the standard deduction or itemizing saves you more in 2026.
The standard deduction is a flat amount ($15,000 for single, $30,000 for married filing jointly in 2026) that reduces your taxable income with no documentation required. Itemized deductions are specific expenses you list individually — mortgage interest, state/local taxes (capped at $10,000), charitable donations, and medical expenses exceeding 7.5% of AGI.
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Capped at $10,000
Only amount exceeding 7.5% of AGI
Standard Deduction
Itemized
Verdict
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Things to Know
Essential concepts for understanding your results
Tax FundamentalsHow does the federal tax system work?
Federal income tax uses progressive brackets: only income within each range is taxed at that rate. A single filer earning $60,000 pays 10% on the first $11,600, 12% on $11,601-$47,150, and 22% on the remainder. The effective rate (~13%) is far lower than the marginal rate (22%). Pre-tax deductions (401(k), HSA, health insurance) reduce taxable income dollar-for-dollar — every $1,000 in pre-tax contributions saves $220-370 in federal tax.
Take-Home PayWhat determines your take-home pay?
Gross pay minus: federal income tax (based on W-4 elections and brackets), FICA (7.65% — Social Security 6.2% + Medicare 1.45%), state income tax (0% in 9 states, up to 13.3% in CA), and benefit deductions (health insurance, 401(k), HSA). Total deductions typically consume 25-35% of gross pay. The biggest lever for increasing take-home: optimizing W-4 withholding and maximizing pre-tax benefit elections.
OptimizationHow can you keep more of what you earn?
Three strategies: W-4 accuracy — the average American over-withholds $233/month. Pre-tax maximization — 401(k), HSA, FSA, and commuter benefits reduce taxable income. Tax credit claiming — Child Tax Credit, EITC, education credits, and retirement saver's credit are commonly missed. A 15-minute W-4 review plus benefit optimization during open enrollment can increase annual take-home by $1,500-4,000 with zero lifestyle change.
2026 Standard Deduction Amounts
| Single | $15,000 |
| Married Filing Jointly | $30,000 |
| Head of Household | $22,500 |
The $10,000 SALT Cap
The Tax Cuts and Jobs Act capped state and local tax deductions at $10,000. For residents of high-tax states (California, New York, New Jersey), this cap significantly reduces the benefit of itemizing. This provision is set to be revisited in 2026.