Illinois Pay Calculator

Illinois Pay Calculator

Calculate your net pay after Illinois state and federal taxes.

Gross Pay

Please enter a valid positive number.

Pay Frequency

Federal Filing Status

Allowances

Allowances must be a non-negative integer.

Net Pay:

Gross Pay: $

Federal Tax: $

Illinois State Tax: $

FICA (Social Security + Medicare): $

Formula: Net Pay = Gross Pay - Federal Tax - Illinois State Tax - FICA. Illinois flat tax rate: 4.95% (2025). Federal tax estimated based on allowances and filing status using simplified brackets. FICA: 7.65% (6.2% SS + 1.45% Medicare).