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A part-time hours calculation answers one practical question: does this schedule fall below the hour level used for the decision in front of you? The answer changes by context. For Affordable Care Act employer shared responsibility purposes, full-time means an average of at least 30 hours of service per week or 130 hours per month. BLS Current Population Survey statistics use 35 or more hours per week as a full-time statistical convention, not a legal definition.
Employers also use policy and contract definitions for scheduling, PTO, benefits eligibility, and internal reporting. A 28-hour schedule can be part time under one policy and benefits-eligible under another. For payroll math, the label does not erase hours worked. Covered, nonexempt employees in the United States still must receive overtime pay for hours worked over 40 in a fixed FLSA workweek.
Start with the period that matches the decision. Weekly classification uses weekly hours. Monthly ACA review uses monthly hours or an average tied to the applicable measurement method. Statistical comparison against BLS conventions uses usual weekly hours. Internal benefits policies use the employer's written threshold, collective bargaining agreement, or contract terms.
Separate hours of service from unpaid time. Short breaks provided by an employer, usually about 5 to 20 minutes, are compensable hours worked under federal law. A bona fide meal period is generally unpaid only when the employee is completely relieved from duty. For adult employees, federal law does not require lunch or coffee breaks, so state law or employer policy supplies any break mandate.
Use this formula for a weekly average: total hours in the review period divided by the number of weeks. For a monthly check, compare the month's total with the applicable monthly threshold, such as 130 hours for ACA employer shared responsibility purposes. Keep the FLSA workweek separate: it is a fixed 168-hour period, and overtime hours cannot be averaged across multiple workweeks.
For example, an employee works 24 hours, 26 hours, 22 hours, and 28 hours across four fixed workweeks. Total hours are 100, and the average is 25 hours per week. At $19 per hour, straight-time pay for those 100 hours is $1,900 before taxes and deductions. The average supports part-time classification for many internal policies, but the policy or legal purpose still controls the final label.
A one-off calculation is enough for a single schedule check, a quick benefits estimate, or a simple monthly hour comparison. It stops being enough when the same person's hours change weekly, managers approve time after the fact, or payroll needs a durable record of clock-ins, breaks, corrections, and paid time.
Everhour Reporting is the better long-term fit when managers need recurring visibility instead of isolated arithmetic. Custom reports can group time by member, project, date range, and metadata, then export CSV, Excel/XLSX, or PDF files for payroll review, staffing analysis, or benefits support. Scheduled email delivery also keeps recurring hour reviews from turning into manual spreadsheet work.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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No single federal hour count defines part-time work for every purpose in the United States. ACA employer shared responsibility rules use full-time as an average of at least 30 hours of service per week or 130 hours per month. BLS statistics use 35 or more usual weekly hours as a full-time convention. Employer policy, contract terms, and benefit plan rules often set the practical part-time threshold.
Add the employee's hours for the review period, then divide by the number of weeks in that period. A four-week total of 100 hours equals a 25-hour weekly average. Use hours of service for ACA review, actual hours worked for payroll checks, and the employer's stated hour basis for internal benefits or scheduling rules.
Unpaid meal periods generally do not count as worked time when the employee is completely relieved from duty and the meal period is bona fide, usually at least 30 minutes. Short breaks provided by an employer, usually about 5 to 20 minutes, count as compensable hours worked under federal law and count toward weekly overtime.
Yes. Part-time status does not block overtime. Covered, nonexempt employees in the United States must receive overtime pay for hours worked over 40 in a fixed FLSA workweek at not less than one and one-half times the regular rate. A 20-hour usual schedule can still produce overtime if actual hours worked exceed 40 in that workweek.
Averaging hours across the wrong period causes the most common error. ACA review uses weekly or monthly service-hour thresholds, BLS comparisons use usual weekly hours, and employer policies use their own written periods. Payroll overtime uses the fixed FLSA workweek, a recurring 168-hour period, so hours cannot be shifted between weeks to change overtime results.
Everhour Reporting lets managers build custom reports with 45+ columns, grouping, filters, date ranges, and exports. A team can review hours by member, project, or period, then download CSV, Excel/XLSX, or PDF reports for payroll review, staffing checks, or recurring part-time hour analysis.
Use Everhour Reporting to group hours by person and period, schedule recurring report delivery, and export clean records for payroll, staffing, and benefits review.
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