Taxes
Income Tax calculator
Federal income tax owed with effective rate and bracket breakdown.
Your inputs
$
$
Results
Federal tax owed
$12,741
Taxable income
$80,400
Deduction applied
$14,600
Effective tax rate
13.41%
After-tax income
$82,259
Breakdown
Total: $12,741
Tax by bracket
0%25%50%75%100%
- 10% bracket$1,1609.1%
- 12% bracket$4,26633.5%
- 22% bracket$7,31557.4%
Decision Engine
Should you go for this?
Small pre-tax moves compound into meaningful savings.
Tax-Optimized
Financial fit score80/100
Federal tax owed
$12,741
Effective rate
13.4%
Next steps
- Consider maxing 401(k)/HSA/IRA to drop into a lower effective bracket.
AI Insight
Personalized analysis from your numbers
Tap Generate for an AI-written breakdown of what your numbers mean, plus tailored next steps.
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About this calculator
What the Income Tax calculator does
Income Tax Calculator helps you federal income tax owed with effective rate and bracket breakdown. It runs entirely in your browser — your inputs are never sent to a server.
How to use it
- Enter your details: Taxable income, Filing status, Itemized deductions.
- Results update instantly as you type — no submit button needed.
- Tap an info icon next to any field for guidance on what to enter.
- Use the Share button to save a permalink that restores your exact inputs.
- Tap Generate on the AI Insight card for a personalized written breakdown.
Tips & context
- Try a few scenarios — adjust one input at a time to see its impact.
- Save useful scenarios to your dashboard for later comparison.
- Pair this with other Taxes calculators for a fuller picture.
FAQ
Frequently asked
Is this calculator free?+
Yes — every CortexCalculator tool is free, requires no signup, and runs locally in your browser.
Is my data private?+
Absolutely. Inputs stay on your device. Only anonymous AI Insight requests (when you tap Generate) leave the page.
How accurate are the results?+
We use standard financial formulas and refresh tax rates annually. Treat outputs as planning estimates, not professional advice.