Illinois unemployment benefits calculator
Use this Illinois unemployment calculator to estimate weekly benefits (WBA) from high-quarter wages. Mock cap $577, duration 26 weeks. File only with IDES — we are not the state.
Estimated weekly benefit
$462
- Max duration
- 26 weeks
- Max total (mock)
- $12,012
How the Illinois weekly benefit amount is estimated
IDES uses a standard base period of four quarters. WBA is tied to high-quarter wages with a statutory min/max.
Our mock multiplies highest-quarter earnings by 0.03846, then clamps between $51 and $577. Dependents, partial unemployment and severance offsets are not modeled.
How to file Illinois unemployment
File with IDES. Illinois has a flat wage tax — compare after-tax pay on the Illinois paycheck calculator before you take a lower hourly gig.
Waiting week plus weekly certification. Keep the last pay stub; IDES will ask last employer, last day worked, and reason for separation.
Other state unemployment calculators
UI is state law. Texas max $577 / 26 weeks; California max $450 / 26 weeks; New York max $504 / 26 weeks; Florida max $275 / 12 weeks.
Texas UI calculator →California UI calculator →New York UI calculator →Florida UI calculator →
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Frequently asked questions
What is the maximum weekly unemployment benefit in Illinois?
This mock cap is $577 per week. Confirm on IDES.
How many weeks can I collect in Illinois?
This mock duration is 26 weeks. Extensions are not modeled.
How is the Illinois weekly benefit calculated?
Mock WBA = highest quarter × 0.03846, then $51–$577.
Is there a waiting week in Illinois?
Waiting week plus weekly certification. Keep the last pay stub; IDES will ask last employer, last day worked, and reason for separation.
Where do I file Illinois unemployment?
File with IDES. Illinois has a flat wage tax — compare after-tax pay on the Illinois paycheck calculator before you take a lower hourly gig.
Is this official?
No. File with IDES.
Will a part-time gig stop benefits?
Often it reduces WBA. Report all work on weekly certifications. Suitable-work rules vary.