calculator-tax.com
8 professional tax & financial calculators — income tax, sales tax, state tax, salary, mortgage, capital gains, business tax, and more. Accurate 2026 rates. Calculated as you type.
| Tax Item | 2026 Rate / Limit | Source | Notes |
|---|---|---|---|
| Social Security Wage Base | $168,600 | SSA.gov | 6.2% up to this limit |
| Medicare Tax | 1.45% + 0.9% surtax | SSA.gov | 0.9% surtax on wages >$200k single / $250k MFJ |
| Standard Deduction (Single) | $16,100 | IRS Rev. Proc. 2025-34 | $32,200 MFJ · $24,150 HoH |
| Top Ordinary Income Bracket | 37% | IRS Rev. Proc. 2025-34 | Applies to taxable income above $609,350 single |
| LTCG 0% Rate (Single) | $0 – $47,025 | IRS Pub 550 | 0% rate in this bracket |
| LTCG 15% Rate (Single) | $47,026 – $518,900 | IRS Pub 550 | 15% rate in this bracket |
| LTCG 20% Rate | $518,900+ | IRS Pub 550 | 20% rate above this threshold (single) |
| NIIT Threshold (Single) | $200,000 MAGI | IRS Pub 550 | 3.8% Net Investment Income Tax above threshold |
| QBI Deduction | Up to 20% of QBI | IRC §199A | Phases out above $191,950 single / $383,900 MFJ |
| FICA SS Employee Rate | 6.2% | SSA.gov | Employer pays additional 6.2% |
| FICA MC Employee Rate | 1.45% | SSA.gov | Employer pays additional 1.45% |
| No Income Tax States | 9 States | State law | AK, FL, NV, NH, SD, TN, TX, WA, WY |
| Self-Employment Tax Rate | 15.3% | IRS Pub 334 | 12.4% SS + 2.9% MC on 92.35% of SE net earnings |
| HSA Individual Limit | $3,250 | IRS Rev. Proc. 2025-34 | $6,550 family · +$1,000 catch-up (55+) |
| 401(k) Contribution Limit | $23,000 | IRS Rev. Proc. 2025-34 | $30,500 if age 50+ (catch-up) |