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Illinois Workers' Compensation Calculator

Illinois's workers' compensation benefits are available regardless of who caused the workplace injury. The state's negligence rules become relevant only if you pursue a separate third-party claim — for example, suing a equipment manufacturer or a negligent contractor alongside your workers' comp claim.

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How Illinois Law Affects Your Workers' Compensation Case

Illinois gives you 3 years from the date of the incident to file a lawsuit, which is longer than the national average of 1.9 years. While you have more time than most states, delaying still weakens your case as evidence degrades and witnesses become harder to locate.

Temporary disability benefits in Illinois replace 67% of your pre-injury wages, subject to a weekly cap of $1,896. There is also a minimum benefit of $284 per week. Benefits begin after a 3-day waiting period. If your disability extends beyond 14 days, the waiting period is paid retroactively.

Permanent impairment in Illinois is evaluated using the AMA Guides, 6th Edition. The edition or rating system used matters significantly because different versions can produce substantially different impairment ratings for the same injury, directly affecting your permanent disability benefits.

Illinois allows injured workers to choose their own treating physician for workers' compensation claims. In states without this right, the employer or insurer selects the doctor, which can affect both the quality of care and the impairment rating you receive.

Illinois requires injured workers to notify their employer within 45 days of the workplace injury. This notification should be in writing and include the date, time, location, and nature of the injury. The formal workers’ compensation claim filing is a separate process with its own deadline, but missing the employer notification requirement can jeopardize your entire claim.

Illinois provides vocational rehabilitation benefits for injured workers who are unable to return to their previous job. These benefits may include job retraining, education assistance, resume preparation, job placement services, and maintenance allowances during the retraining period. If your workplace injury has permanently limited your ability to perform your previous occupation, vocational rehabilitation can help you transition to suitable alternative employment.

Key Illinois Laws

Filing Deadline
3 years
longer than the national average of 1.9 years
Negligence System
Modified Comparative Fault (51% Bar)
Max Weekly Benefit
$1,896
Above avg ($1,243)
TTD Rate
67% of wages
No fixed week limit
Waiting Period
3 days
Retroactive after 14 days
Employer Notice Deadline
45 days
Must report injury to employer within this period
Vocational Rehab
Available
State provides job retraining benefits

How Does Illinois Compare?

3 yrs
Filing Deadline
Avg: 1.9 yrs
Modified
Fault System
Modified Comparative Fault (51% Bar)
$1,896
Max Weekly Benefit
Avg: $1,243

Illinois Workers' Compensation FAQs

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Legal Disclaimer

This calculator uses Illinois's statutes as of 2026-03-06. Laws change frequently. This tool provides estimates for informational purposes only and does not constitute legal advice. Verify current rules with a Illinois-licensed attorney before making decisions about your case. Learn about our methodology.

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