Illinois Maintenance (Alimony) Calculator
This Illinois alimony calculator makes Illinois maintenance calculations using the Illinois alimony formula. Learn more.
If your final (not temporary) alimony order was entered before January 1, 2019, then you may continue to use the June 1, 2018, alimony formula and retain the same income tax treatment for federal income tax purposes. However, you and your spouse may agree to a court order that changes your alimony payment and income tax treatment to the new framework.