40% of the high earner's net monthly income minus 50% of the low earner's net monthly income. For instance, if Spouse A earns $5,000 per month and Spouse B earns $2,500 per month, temporary spousal support might be calculated as follows: 40% of $5,000 = $2,000. 50% of $2,500 = $1,250.
Illinois' Spousal Maintenance Formula Take 33.3% of the payor's net annual income. Subtract 25% of the recipient's net annual income. The difference is the annual maintenance amount.
The formula is simple: Divide the Wife's annual amount by the interest rate: $100,000 divided by . 10 = $1 million. The formula is known as the present value of a perpetuity because it continues in perpetuity.
Key Components of Illinois Alimony Laws. Factors considered when calculating alimony include the incomes of both spouses, the standard of living established during marriage, the duration of the marriage, and the age and health of both spouses.
Estimate Alimony Payments. Common methods for calculating spousal support typically take up to 40% of the paying spouse's net income, which is calculated after child support. 50% of the recipient spouse's net income is then subtracted from the total if they are working.
In Illinois, the duration of alimony, or spousal maintenance, depends on the marriage's duration. In a marriage of under 5 years, maintenance payments last for 20% of the marriage's length. For a 9-10 year marriage, alimony payments last 40% of the marriage's length.