Income Tax Estimator
Jenzzy applies simplified bracket math to project income tax owed. Use for planning—not as filing advice.
Inputs
Results
Enter values to see results.
Formula
Tax = Σ(Income in bracket × bracket rate)
Progressive brackets tax only the income within each range at that rate.
Example
- First brackets: Apply marginal rates cumulatively
- Estimated tax: ≈ $11,200= $11,200
Result: Estimated federal tax ≈ $11,200
Frequently Asked Questions
State and local tax?
Not included—add state estimates separately.
Deductions?
Enter taxable income after standard or itemized deductions.
Withholding?
Compare estimate to W-4 withholding to avoid surprises.