⚖️Illinois Alimony & Spousal Support

What it is

A state-by-state answer to a question most alimony calculators skip: does your state publish a formula for spousal support at all? A few do. Some publish no formula but cap the amount by statute. Most publish a list of factors and no number whatsoever, and this tool says so rather than borrowing a guideline from somewhere else.

How it works

Each state page is driven by a rule pack transcribed from that state’s own statute, and the pack records which of three kinds the state is. A formula state — Illinois and New York among the few — computes a guideline amount from both incomes, usually a share of the payor’s income less a share of the payee’s, then limits the result so the payee does not end up above a set share of the parties’ combined income. New York applies its formula only to the payor’s income up to a cap the Unified Court System republishes every two years, and switches between two formulas depending on whether the payor is also the non-custodial parent paying child support. A cap state publishes no formula but does set a ceiling: Texas at the lesser of $5,000 a month or twenty per cent of the obligor’s average monthly gross income, Florida at thirty-five per cent of the difference between the parties’ net incomes or the obligee’s reasonable need, whichever is less. A factors state publishes neither, and the page shows the statutory checklist instead.

Getting the most from it

1. Start with the badge at the top of your state’s page. It tells you which of the three kinds you are in before any figure appears.
2. Enter annual incomes on the basis the page names — gross or net differs by state, and using the wrong one produces a confident answer to the wrong question.
3. Enter the length of the marriage. Every state that publishes anything about duration keys it to this.
4. Read the factors. In most states they are the entire answer, and they are what a lawyer will ask you about first.

Reading your result

A guideline figure is presumptive, not an order — a court can depart from it and explains why when it does. A ceiling is something else again: it is the most the statute permits, so an award at the ceiling is the exception rather than the expectation, and many spouses are not eligible for any award at all. Where the page shows no number, that is the finding, not a gap in the data.

What it can't tell you

This does not predict what a court will order, does not decide whether you are eligible, and does not account for property division, tax treatment, or the conduct-based provisions several states attach to spousal support. It cannot weigh factors — that is the judicial act itself. Temporary support during a case often runs on entirely different local rules than the post-divorce figures shown here. A family lawyer licensed in your state is the person who answers your question.