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Smart Tax Calculations, Instant Results

Professional tax calculators that help you estimate federal income tax, self-employment tax, capital gains, state taxes, and more. Get accurate results in seconds—no signup required.

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Professional-grade tax calculators designed for accuracy and ease of use

Federal Income Tax

Comprehensive income tax estimator with deductions, credits, and detailed breakdowns by tax bracket.

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Tax Refund Estimator

Find out if you'll get a refund or owe taxes. Perfect for tax season planning and withholding adjustments.

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Tax Bracket Calculator

See which tax bracket you're in and understand your marginal vs. effective tax rate with visual charts.

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Self-Employment Tax

Calculate SE tax, QBI deductions, and quarterly payment schedules for freelancers and small businesses.

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State Tax Calculator

Calculate combined federal and state income tax for all 50 states. Compare tax burdens across states.

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Capital Gains Tax

Calculate short-term and long-term capital gains tax on stocks, real estate, crypto, and other investments.

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W-4 Withholding

Get personalized W-4 form recommendations to optimize your paycheck withholding and avoid surprises.

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Bonus Tax Calculator

Estimate taxes on your bonus and find out your actual take-home amount after withholding.

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Why Use TaxWiser?

The smart way to calculate taxes—built for accuracy, privacy, and ease of use

Comprehensive & Accurate

Our calculators use the latest federal tax brackets, state rates, and IRS guidelines to provide accurate estimates based on 2024 and 2025 tax law.

100% Private

Your financial data never leaves your browser. All calculations happen locally on your device. No accounts, no tracking, no data collection.

Fast & Easy to Use

Get instant results with our intuitive calculators. Save your calculations for future reference, share scenarios with family, and compare options side-by-side.

Trusted by thousands — TaxWiser provides professional-grade tax calculations used by individuals, freelancers, and small business owners for tax planning, withholding adjustments, and financial decisions. Whether you're estimating your refund, planning quarterly payments, or comparing capital gains strategies, we make tax calculations simple and accurate.

Need a companion app to tidy your tax paperwork? ExplorePromptCraft — Writing inspiration hub for client tax communication drafts.

Frequently Asked Questions

Get answers to common tax calculator questions

How Progressive Taxation Works

See how your income is taxed across different brackets with our interactive visualization

10%
$1,160
10% tax
$0 - $11,600
12%
$4,266
12% tax
$11,600 - $47,150
22%
$6,127
22% tax
$47,150 - $100,525
$0
24% tax
$100,525 - $191,950
$0
32% tax
$191,950 - $243,725
$0
35% tax
$243,725 - $609,350
$0
37% tax
$609,350 - and above
Total Tax:$11,553
Effective Tax Rate:15.40%
Your highest bracket is 22% (marginal rate), but you only pay 15.40% overall because lower brackets are taxed at lower rates.