Free Tax Calculators for 2025 & 2026
Income Tax Calculator
Estimate your 2025 federal tax liability, effective rate, and marginal bracket by income and filing status.
Launch ToolTax Refund Calculator
See whether you'll get a refund or owe money based on your income, withholding, and credits.
Launch ToolPayroll Tax Calculator
Calculate take-home pay after federal income tax, Social Security, and Medicare withholding.
Launch ToolSelf-Employment Tax
Estimate the 15.3% SE tax on net self-employment income and your above-the-line deduction.
Launch ToolCapital Gains Tax
Estimate tax on stocks, real estate, or crypto sales — short-term vs. long-term rates for 2025.
Launch ToolSales Tax Calculator
Add sales tax to a purchase, or back it out of a total — any rate, any state.
Launch ToolState Income Tax by State
Rates range from 0% in Texas and Florida to over 13% in California. Pick your state to see brackets and estimate your state tax.
All 50 States & Rates →From the Blog
IRS updates, tax law changes, and plain-English guides.
Home Office Deduction 2026: Who Qualifies and How to Calculate It
The home office deduction can reduce self-employment tax by hundreds or thousands of dollars, but the rules are strict. Here is exactly who qualifies, how to calculate the deduction both ways, and what mistakes to avoid.
Read RetirementSECURE 2.0 Catch-Up Contributions 2026: The Super Catch-Up Explained
SECURE 2.0 created a new super catch-up contribution limit for workers aged 60 to 63. In 2026, those workers can contribute up to $34,750 to a 401(k). Here is how the rules work and who benefits most.
Read Tax PlanningMarriage Tax Penalty vs. Bonus: What Couples Actually Owe in 2026
Getting married changes your tax situation in ways most couples do not expect. Some couples pay more as married filers (the marriage penalty). Others pay less (the marriage bonus). Here is how to calculate which applies to you.
ReadUnderstanding Your Federal Tax Estimate
Every calculator on MyTaxCalcs uses the same formulas the IRS publishes in its official instructions. Start with your gross income, subtract your standard or itemized deduction to arrive at taxable income, then apply the 2025 tax brackets progressively — not as a flat rate. The result is your estimated federal tax liability before any credits or withholding adjustments.
Tax brackets are marginal, meaning only the income inside each bracket is taxed at that rate. A single filer with $80,000 of taxable income pays 10% on the first $11,925, 12% on income up to $48,475, and 22% only on the remainder above that threshold.
Results are estimates. They do not account for every individual credit, the Alternative Minimum Tax, or state-level variations. Use them as a planning baseline — not as a substitute for a CPA or tax software.
2025 Standard Deductions (IRS Rev. Proc. 2024-40)
| Single | $15,000 |
| Married filing jointly | $30,000 |
| Head of household | $22,500 |
| Married filing separately | $15,000 |
Which calculator should I use?
- W-2 employee estimating refund → Tax Refund Calculator
- Freelancer or 1099 contractor → Self-Employment Tax
- Selling stock, real estate, or crypto → Capital Gains Calculator
- Checking take-home pay → Payroll Tax Calculator
IRS-Sourced Data
All brackets, deductions, and rates updated annually from official IRS publications.
Privacy First
Nothing you enter is stored or shared. All calculations run in your browser session only.
Always Free
Every calculator is free with no account, paywall, or hidden fees.