Net Pay Calculation Formula:
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The Il Paycheck Tax Calculator estimates net pay for Illinois residents by calculating take-home pay after deducting federal tax, Illinois state tax (4.95%), and FICA taxes from gross pay.
The calculator uses the net pay formula:
Where:
Explanation: The calculator automatically calculates Illinois state tax at the standard 4.95% rate and deducts all taxes from gross pay to determine net take-home pay.
Details: Accurate net pay calculation is essential for budgeting, financial planning, and understanding your actual take-home income after all mandatory tax deductions.
Tips: Enter gross pay in dollars, federal tax amount in dollars, and FICA tax amount in dollars. All values must be valid positive numbers.
Q1: What is the current Illinois state tax rate?
A: Illinois has a flat state income tax rate of 4.95% for all income levels.
Q2: What taxes are included in FICA?
A: FICA includes Social Security tax (6.2%) and Medicare tax (1.45%), totaling 7.65% of gross pay.
Q3: Are there other deductions not included?
A: This calculator focuses on mandatory taxes. Other deductions like health insurance, retirement contributions, or local taxes may apply.
Q4: Is Illinois state tax the same for all income levels?
A: Yes, Illinois has a flat tax system where all taxpayers pay the same 4.95% rate regardless of income.
Q5: How accurate is this calculator?
A: It provides a good estimate for standard situations. For precise calculations, consult with a tax professional or use official withholding calculators.