Illinois uses a weekly overtime rule, and Everhour keeps approved time ready for payroll review.
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This calculation answers how much overtime pay is due to an Illinois non-exempt employee for one workweek. Illinois follows a weekly model: non-exempt employees are owed overtime only for hours worked over 40 in a workweek. The result shows regular hours, overtime hours, the overtime rate, overtime pay, and total gross pay before taxes, deductions, or benefit adjustments.
Illinois does not have a separate daily overtime trigger. A 10-hour day does not create overtime by itself, and Sunday or holiday work only becomes overtime if it pushes total hours above 40 in the workweek. The Illinois Department of Labor (IDOL) administers Illinois minimum wage and overtime information through its Fair Labor Standards Division.
Start with actual hours worked in the fixed workweek, not the pay period average. The FLSA workweek is a fixed and regularly recurring period of 168 hours, or seven consecutive 24-hour periods. Each FLSA workweek stands alone for overtime calculations; hours may not be averaged over two or more workweeks to avoid overtime.
For example, 36 hours in week one and 46 hours in week two do not combine into two 41-hour weeks. Week one has no overtime, and week two has 6 overtime hours. Illinois uses the same weekly trigger for non-exempt employees, so the key decision is whether the person is non-exempt and whether actual worked hours exceed 40 in that workweek.
For a single-rate example, assume a covered nonexempt Illinois employee works 45 hours in one fixed workweek at a $30.80 regular rate. Regular pay is 40 hours x $30.80 = $1,232.00. The overtime rate is $30.80 x 1.5 = $46.20. Overtime pay is 5 hours x $46.20 = $231.00, making total gross pay $1,463.00.
If the employee has bonuses, shift differentials, or multiple rates, calculate the regular rate first: total compensation for the workweek, excluding statutory exclusions, divided by total hours actually worked in that workweek. Illinois' adult minimum wage is $15.00 per hour beginning January 1, 2025, so a minimum-wage overtime rate is $22.50 per hour before any higher local wage applies.
A calculator is enough for a one-off check when the employee has one hourly rate, no special payments, and a clear total of hours worked in one Illinois workweek. It also works for quick audit questions, such as whether Sunday hours created overtime, because Illinois law does not require time-and-one-half or double-time merely for legal holiday or Sunday work unless policy, agreement, or weekly hours over 40 requires it.
A managed workflow is better when overtime affects payroll every week. Approved time records, locked periods, reminders, and manager review reduce disputes over late edits and missing entries. Everhour Time Tracking captures task and project hours through timers or manual entries, then feeds timesheets, reporting, budgeting, invoicing, and payroll review so overtime checks start from approved hours.
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Illinois calculates overtime by week for non-exempt employees. Illinois non-exempt employees are owed overtime only for hours worked over 40 in a workweek, paid at 1.5x the regular rate. The state does not have a separate daily overtime trigger, so a long single day matters only when total weekly hours exceed 40.
Illinois law does not require time-and-one-half or double-time merely for legal holiday or Sunday work. Sunday or holiday hours become overtime only when they push total hours worked over 40 in the workweek, unless the employer's policy, a contract, or another agreement provides a separate premium.
No. Each FLSA workweek stands alone for overtime calculations, and hours may not be averaged over two or more workweeks to avoid overtime. If a covered nonexempt Illinois employee works 38 hours one week and 44 hours the next, the second week has 4 overtime hours.
Beginning January 1, 2025, Illinois' minimum wage is $15.00 per hour for workers age 18 and older, so a minimum-wage overtime rate is $22.50 per hour before any higher local wage applies. Illinois employers may use a tipped cash wage of $9.00 per hour when the state tip-credit rules are satisfied.
No. The Illinois Department of Labor says private-sector employers cannot use compensatory time off instead of paying overtime. Under the FLSA, overtime is due on the regular payday for the period worked and cannot be waived by employer-employee agreement, except for limited comp-time rules that apply to state and local government employees.
Everhour Time Tracking captures task and project hours through live timers or manual entries, then sends those hours into timesheets for review. Admins can use approvals, locked periods, reminders, and timer rules to keep payroll review based on approved time rather than informal notes or late spreadsheet changes.
Track approved Illinois workweeks with Everhour Time Tracking, then review locked timesheets before payroll so overtime calculations start from cleaner, verified hours and fewer manual corrections.
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