Illinois Paycheck Calculator
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Paycheck Breakdown
Gross Pay
Federal Income Tax
Social Security (6.2%)
Medicare (1.45%)
Illinois State Tax (4.95%)
Pre-tax Deductions
Post-tax Deductions
Net Pay

Formula: Net Pay = Gross Pay - Federal Tax - Social Security - Medicare - State Tax - Post-tax Deductions. Pre-tax deductions reduce taxable income before federal and state taxes. Federal tax estimated using simplified brackets based on filing status and allowances.