Illinois Alimony Estimator

How Illinois alimony works

Yearly maintenance = (Payor's net yearly income * 0.333) - (Payee's net yearly income * 0.25). The total amount received by the payee (payee's net yearly income + maintenance) cannot exceed 40% of the combined net yearly income of both spouses. If it does, the maintenance amount is reduced. Key factors: Income and property, Needs, Earning potential (now and future), Time spent doing household duties, Time and money needed for job/training/education, Lifestyle during marriage, Length of marriage, Age, Physical and emotional conditions, Any agreements between spouses Duration: Based on length of marriage: Less than 5 years: Length of marriage X 0.20; 5-6 years: Length of marriage X 0.24; 6-7 years: Length of marriage X 0.28; 7-8 years: Length of marriage X 0.32; 8-9 years: Length of marriage X 0.36; 9-10 years: Length of marriage X 0.40; 10-11 years: Length of marriage X 0.44; 11-12 years: Length of marriage X 0.48; 12-13 years: Length of marriage X 0.52; 13-14 years: Length of marriage X 0.56; 14-15 years: Length of marriage X 0.60; 15-16 years: Length of marriage X 0.64; 16-17 years: Length of marriage X 0.68; 17-18 years: Length of marriage X 0.72; 18-19 years: Length of marriage X 0.76; 19-20 years: Length of marriage X 0.80; 20+ years: Length of marriage or indefinitely.