$18 an Hour Is How Much a Year After Taxes in Illinois?
Full time, $18 an hour is $37,440 a year before taxes. After 2026 federal, Illinois, and FICA taxes, a single filer in Illinois takes home about $30,555 a year: $2,546 a month, or $14.69 for each hour worked.
Take-home pay on $18/hour full-time in Illinois (single filer, 2026)
- Per year
- $30,555
- Per month
- $2,546
- Every 2 weeks
- $1,175
- Per hour
- $14.69
Total tax $6,885 · effective rate 18.4% · federal bracket 12%
$18 an hour before and after taxes
| Period | Before tax | After tax |
|---|---|---|
| Hourly | $18.00 | $14.69 |
| Daily (8 hours) | $144.00 | $117.52 |
| Weekly (40 hours) | $720 | $588 |
| Biweekly | $1,440 | $1,175 |
| Semimonthly | $1,560 | $1,273 |
| Monthly | $3,120 | $2,546 |
| Yearly | $37,440 | $30,555 |
Where the taxes go
| Item | Year | Month | Biweekly |
|---|---|---|---|
| Gross pay | $37,440 | $3,120 | $1,440 |
| Federal income tax | -$2,313 | -$193 | -$89 |
| Illinois income tax | -$1,708 | -$142 | -$66 |
| Social Security (6.2%) | -$2,321 | -$193 | -$89 |
| Medicare (1.45%) | -$543 | -$45 | -$21 |
| Take-home pay | $30,555 | $2,546 | $1,175 |
How $18 an hour is taxed in Illinois
Full time, $18 an hour is $37,440 a year (2,080 hours). Here is how each tax on that income is calculated.
1. Federal income tax: $2,313
Start with $37,440 of wages and subtract the $16,100 standard deduction. That leaves $21,340 of taxable income, taxed in brackets:
| Taxable income band | Rate | Income taxed | Tax |
|---|---|---|---|
| $0 to $12,400 | 10% | $12,400 | $1,240 |
| $12,400 to $50,400 | 12% | $8,940 | $1,073 |
| Federal income tax | $2,313 | ||
2. Illinois income tax: $1,708
Illinois starts from your wages, $37,440. It subtracts a $2,925 personal exemption. That leaves $34,515 of Illinois taxable income.
| Taxable income band | Rate | Income taxed | Tax |
|---|---|---|---|
| Over $0 | 4.95% | $34,515 | $1,708 |
| Illinois income tax | $1,708 | ||
3. Social Security and Medicare: $2,864
Social Security is 6.2% of wages up to the $184,500 wage base ($2,321), and Medicare is 1.45% of all wages ($543).
Result: $37,440 minus $6,885 in total tax leaves $30,555 a year, an effective tax rate of 18.4%.
What this income means in Illinois
Illinois is tougher than most states on lower wages because the $2,925 exemption is the only shield. Even at $30,000, a single Illinois worker hands the state $1,340, an effective 4.47%, and keeps $24,945. At $50,000 the bill is $2,330 and take-home pay is $40,025, about $3,335 a month. A full-time worker earning $41,600 a year keeps $33,692 after $1,914 of state tax. Claim the Illinois earned income credit and, with children, the state child tax credit when you file.
More in the Illinois paycheck guide.
Part-time and overtime at $18 an hour
| Schedule | Yearly gross | Take-home | Tax rate |
|---|---|---|---|
| 20 hours/week | $18,720 | $16,244 | 13.2% |
| 30 hours/week | $28,080 | $23,489 | 16.4% |
| 40 hours/week | $37,440 | $30,555 | 18.4% |
| 40 hours + 5 overtime | $44,460 | $35,848 | 19.4% |
Overtime is shown at time and a half ($27.00/hour) with normal withholding. For 2025 through 2028, eligible workers can also deduct the premium half of qualified overtime pay on their federal return (up to $12,500, or $25,000 filing jointly), which is not reflected in paycheck withholding.
$18 an hour in nearby states
Illinois ranks 50th of 51 for take-home pay at this wage. See $18 an hour after taxes in every state.
| State | State tax | Take-home | vs Illinois |
|---|---|---|---|
| Wisconsin | $958 | $31,305 | +$750 |
| Indiana | $1,075 | $31,188 | +$633 |
| Kentucky | $1,193 | $31,070 | +$515 |
| Missouri | $795 | $31,468 | +$913 |
| Iowa | $771 | $31,492 | +$937 |
| Texas | $0 | $32,263 | +$1,708 |
| Florida | $0 | $32,263 | +$1,708 |
| California | $446 | $31,817 | +$1,262 |
Use your exact hours
Convert other hours and wages with the hourly-to-salary calculator, or add deductions in the Illinois paycheck calculator.
$18 an hour in Illinois: FAQ
$18 an hour is how much a year after taxes in Illinois?
Working 40 hours a week, $18 an hour is $37,440 a year before taxes. After federal, Illinois, and FICA taxes, a single filer takes home about $30,555 a year, or $14.69 for every hour worked.
How much is $18 an hour per month after taxes in Illinois?
About $2,546 a month after taxes ($3,120 before taxes). A biweekly paycheck is about $1,175 and a weekly paycheck about $588.
How much is $18 an hour part-time in Illinois?
At 20 hours a week, $18 an hour is $18,720 a year, and take-home pay is about $16,244 ($1,354 a month). Lower annual income means a lower effective tax rate: 13.2% versus 18.4% full-time.
How is overtime taxed at $18 an hour?
Overtime is paid at $27.00 an hour (time and a half). Five overtime hours every week would raise yearly gross pay to $44,460 and take-home to about $35,848. Federal law for 2025-2028 also lets eligible workers deduct the premium half of qualified overtime pay (up to $12,500, or $25,000 filing jointly, phasing out above $150,000 of income) when they file, which can mean a refund even though withholding is unchanged.