Illinois Alimony Calculator

Payer's Gross Annual Income ($)

Please enter a valid positive number.

Receiver's Gross Annual Income ($)

Please enter a valid positive number.

Duration of Marriage (years)

Please enter a valid non-negative number.

Child Support Paid by Payer ($/year)

Please enter a valid non-negative number.

Based on Illinois formula: 33.3% of payer's net income minus 25% of receiver's net income, not to exceed 40% of combined net income.

Calculation Breakdown: