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# Illinois Alimony Calculator

## How is Alimony Calculated in Illinois?

In 2019, this formula is used to calculate alimony in Illinois: (33% of the payer's net income) – (25% of the payee's net income) = the yearly maintenance paid. However, that spousal support cannot cause one spouse to earn more than 40% of the couple's combined income.

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Estimate Alimony Payments*

*Please remember these are estimates based on your inputs without considering the division of assets or debts. The purpose of this calculator is to give an idea of what spousal support payments may look like depending on the circumstances of your case.
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## How Long Does a Person Have to Pay Spousal Maintenance in Illinois?

The length is determined in large part by the length of the marriage:

• Married less than 5 years (0.20)
• Married 5 years (0.24)
• Married 6 years (0.28)
• Married 7 years (0.32)
• Married 8 years (0.36)
• Married 9 years (0.4)
• Married 10 years (0.44)
• Married 11 years (0.48)
• Married 12 years (0.52)
• Married 13 years (0.56)
• Married 14 years (0.60)
• Married 15 years (0.64)
• Married 16 years (0.68)
• Married 17 years (0.72)
• Married 18 years (0.76)
• Married 19 years (0.80)
• Married For 20 years or more, the court will either order permanent spousal support or maintenance for the length of the marriage.

So, for example, spousal support awarded to someone in a 10-year marriage would be paid for 4.4 years.

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## How Much Spousal Maintenance Will be Awarded in Illinois?

According to the Illinois maintenance guidelines in cases where couples earn less than a combined \$500,000 annually, and the payor isn't obligated to pay child support and/or maintenance from a previous relationship, the standard formula listed above can be applied to determine how much is expected to be paid in alimony. Even in cases outside of the ordinary, the Illinois spousal support formula may be used as a guideline. Changes to this formula will be in effect starting 1/1/2019 and we'll update this page at that time.

## Illinois Spousal Maintenance Calculation Examples

Payer's Monthly Income Receiver's Monthly Income Estimated Monthly Maintenance Award
\$3,000 \$1,000 \$600
\$4,000 \$1,000 \$1,000
\$5,000 \$1,000 \$1,300
\$6,000 \$1,000 \$1,600
\$7,000 \$1,000 \$1,900
\$8,000 \$1,000 \$2,200

* Note: The above table does not reflect maintenance duration.

## Are You Entitled To Alimony in Illinois?

The legal basis of spousal maintenance is rooted in an effort to grant a measure of independence to a financially dependent spouse. A typical example of this is when one spouse has given up their career to be a homemaker in order to support the other in chasing a higher career level. Before using the formula to award alimony, the court must first determine if a maintenance award is appropriate after considering these factors:

1. The income and properties held by each spouse, taking into account the property division process
2. The needs of each spouse
3. The realistic present and future earning capacity of each spouse
4. Any impairment of the present and future earning capacity of the party seeking maintenance as a result of one spouse delaying or stopping their career advancement or education as a result of marriage or childcare
5. Any impairment of the realistic present or future earning capacity of the party against whom maintenance is sought
6. The time required by the spouse seeking maintenance to secure job training or education necessary to advance their career and employment prospects
7. The standard of living established during the marriage
8. The length of the marriage
9. The age, income, job skills, employability, and physical health of each spouse
10. All sources of public and private income
11. Tax consequences as a result of the property division aspect of the divorce
12. Contribution by one party to the increased earning power or education level of the other
13. Any agreements made by either spouse in a prenuptial or post-nuptial agreement
14. Any other factor the court considers to be “just and equitable”

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