Updated for 2026
Illinois Hourly Paycheck Calculator 2026
Enter your hourly wage, weekly hours and overtime to estimate gross pay, taxes and take-home pay per paycheck in Illinois.
Take-home pay in Illinois by hourly wage
What a single filer working 40 hours a week, with no overtime and paid weekly, takes home in Illinois in 2026 at seven hourly wages. At $20 an hour that is about $648 a week.
| Hourly wage | Gross / week | Take-home / week | Take-home / year |
|---|---|---|---|
| $12 | $480 | $405 | $21,074 |
| $15 | $600 | $497 | $25,850 |
| $18 | $720 | $588 | $30,555 |
| $20 | $800 | $648 | $33,691 |
| $25 | $1,000 | $799 | $41,533 |
| $30 | $1,200 | $950 | $49,374 |
| $40 | $1,600 | $1,219 | $63,388 |
Overtime at $20 an hour
At $20 an hour, time and a half is $30.00 an hour. Five hours of it on top of 40 raise a single filer’s weekly take-home in Illinois from $648 to $761.
| Hours a week | Gross / week | Take-home / week | Take-home / year |
|---|---|---|---|
| 40 hours | $800 | $648 | $33,691 |
| 45 hours, 5 of them overtime | $950 | $761 | $39,572 |
Overtime is ordinary wages, taxed with the rest of your pay. Which hours count as overtime, and at what rate, depends on federal and state law and on your job. For 2026 there is also a federal deduction for qualified overtime, but only part of some overtime counts, so these figures do not apply it.
Illinois hourly pay questions
How much is $20 an hour after taxes in Illinois?
Working 40 hours a week and paid weekly, a single filer takes home about $648 a week, or $33,691 a year, in 2026. Of the $41,600 earned in the year, federal income tax takes $2,812; Social Security and Medicare take $3,182; Illinois state income tax takes $1,914.
How much is $15 an hour a year after taxes in Illinois?
At 40 hours a week, $15 an hour is $31,200 a year before tax. A single filer paid weekly takes home about $25,850 of it in 2026, or $497 a week.
How is overtime taxed in Illinois?
As ordinary wages: it goes through the same federal income tax, Social Security and Medicare as the rest of your pay, and the same Illinois state income tax. At $20 an hour, 45 hours a week with 5 of them at time and a half takes home about $761 a week, against $648 for 40 hours. The federal deduction for qualified overtime is not applied, because only part of some overtime counts.
Which taxes do these figures include?
Federal income tax, Social Security, Medicare and Illinois state income tax, worked out by the same engine as the calculator above. Local income taxes are not included, and the figures assume no 401(k), health insurance or other pre-tax deductions.
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More pay figures
The Illinois paycheck calculator works from a yearly salary instead. To turn an hourly wage into a salary, or to work out overtime on its own: