Tax Calculators
Free, accurate tax calculators to help you plan ahead. Estimate your refund, check your withholding, and avoid surprises at tax time.
Tax Refund Estimator
Estimate your federal tax refund or amount owed based on your income, deductions, and credits.
- 2025 tax brackets
- Standard & itemized deductions
- Common tax credits
Withholding Calculator
Check if you're having the right amount of taxes withheld from your paycheck.
- W-4 recommendations
- Avoid surprises at tax time
- Optimize your paycheck
Self-Employment Tax Calculator
Calculate your self-employment tax (Social Security and Medicare) on freelance income.
- SE tax breakdown
- Deductible portion
- Quarterly estimates
Quarterly Tax Estimator
Figure out your quarterly estimated tax payments to avoid penalties.
- Payment schedule
- Safe harbor rules
- Penalty avoidance
Tax Bracket Calculator
Find your marginal and effective tax rates based on your taxable income.
- 2025 & 2026 brackets
- Marginal vs effective rate
- Visual breakdown
Paycheck Calculator
See your take-home pay after federal, state, and local taxes.
- All deductions included
- State tax support
- Pre-tax benefits
Plan Your Taxes with Confidence
Our calculators use the latest 2025 and 2026 tax brackets, deductions, and credits to give you accurate estimates. Whether you're planning for tax season or making quarterly payments, these tools help you stay ahead.
Need More Than an Estimate?
When you're ready to file for real, iFileTax guides you through every step with AI assistance and expert support.
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