Illinois overtime calculator

Illinois has its own overtime rule in the Illinois Minimum Wage Law, and it matches the federal 40-hour rule. Enter your hourly rate and the hours you worked each day of one workweek.

Overtime rules Federal (all other states) California Alaska Nevada Colorado Kentucky Oregon mills, factories and canneries Minnesota 48-hour rule Hourly rate ($)

Hours worked each day of one workweek (8.5 = 8 h 30 min)

Mon Tue Wed Thu Fri Sat Sun

Regular 40 h × $20.00

$800.00

Overtime (1.5×) 8 h × $30.00

$240.00

Gross pay for the week 48 h worked

$1,040.00

Federal rule: overtime after 40 hours in the workweek.

Day by day

Day	Hours	Regular	1.5×	2×
Mon	10	10	0	0
Tue	10	10	0	0
Wed	10	10	0	0
Thu	10	10	0	0
Fri	8	0	8	0
Sat	0	0	0	0
Sun	0	0	0	0

Illinois overtime rules

• 1.5× your regular rate for every hour over 40 in a workweek (820 ILCS 105/4a)
• No daily overtime. Sundays and holidays aren't paid extra by law unless they put you over 40 hours.
• No comp time instead of overtime pay in private jobs. The Illinois Department of Labor: "Compensatory time off in place of payment for overtime is not legal in the private sector."
• Small employers. The state law leaves out employers with fewer than 4 employees, not counting the owner's family. Domestic workers are covered either way, and the federal law can still apply.

One day of rest in seven

Illinois' One Day Rest in Seven Act gives you at least 24 consecutive hours off in every 7-day period, and a meal break of at least 20 minutes in a shift of 7½ hours or more. It doesn't add a premium for a seventh day of work: those hours are paid at time and a half only if they put you over 40 for the week. Part-timers working 20 hours a week or less, supervisors and some other jobs are outside the rest rule.

Minimum wage in Illinois

$15.00 an hour since January 1, 2025, $9.00 for tipped workers and $13.00 for workers under 18 who work fewer than 650 hours a year. Chicago and Cook County set higher local rates.

Example

At $20 an hour, a week of four 10-hour days and one 8-hour day is 48 hours: 40 × $20 = $800 regular, plus 8 × $30 = $240 overtime, for $1,040.

Questions

What if my employer doesn't pay overtime?

You can file a wage claim with the Illinois Department of Labor. Under the Minimum Wage Law, underpaid workers can recover up to three times the underpayment, plus 5% of it for each month it stays unpaid.

Does working seven days in a row mean overtime?

Not by itself. You get overtime for hours over 40 in the workweek, whatever day they fall on.

Is overtime tax-free in Illinois?

For federal income tax, from 2025 through 2028 you can deduct the extra half of time and a half, up to $12,500 a year ($25,000 on a joint return). Overtime is still taxed and withheld on your paycheck, and Social Security and Medicare still apply; the deduction comes off when you file. State income tax rules are separate. Estimate it with the No Tax on Overtime calculator.

Rules as of November 2026. An estimate for one workweek, not legal advice.