Illinois Cost Calculators
5 free calculators built on real Illinois data — filing fees, attorney rates, and regulations specific to IL.
Legal & Law2 calculators
How Much Does Divorce Cost in Illinois (2026)
Illinois divorce costs $3,176-$34,422+. Illinois has no mandatory waiting period for uncontested divorces. Estimate filing fees, attorney costs, and mediation.
How Much Does Child Custody Cost in Illinois (2026)
Illinois child custody cost estimate for Chicago: 750 ILCS 5/602.5, $250-388 filing fees, $325-500/hour lawyer rates, evaluator, GAL.
Money & Finance2 calculators
Illinois After-Tax Income Calculator (2026)
Illinois after-tax income calculator — flat 4.95% rate. See exact per-paycheck take-home after federal, Illinois, and FICA taxes.
Illinois Capital Gains Tax Calculator (2026)
Illinois capital gains tax calculator — flat 4.95% rate. Combined federal (0-20%), Illinois, and 3.8% NIIT estimate with worked examples.