How many hours is full time? 30 under the ACA, 35 for the statisticians, 40 for overtime, and whatever your handbook says

The short answer

There is no single legal definition of full-time work in the United States. Four numbers matter, and each is for something different:

Number	Who uses it	What it decides
30 hours a week (or 130 a month)	Affordable Care Act	Which employees an employer with 50 or more full-time equivalents must offer health coverage to
35 hours a week or more	Bureau of Labor Statistics	How "full-time" and "part-time" are counted in employment statistics
40 hours a week	Fair Labor Standards Act	When overtime at time and a half starts, for everyone, whatever their label
Your handbook's number	You	Benefits eligibility, paid time off accrual, job titles

The FLSA itself does not define full-time or part-time. The Department of Labor says so in one line: the FLSA does not define full-time employment or part-time employment, and whether an employee is considered full-time or part-time does not change how the FLSA applies.

30 hours: the ACA definition

For the employer shared responsibility provisions, the IRS defines a full-time employee as one employed on average at least 30 hours of service per week, or 130 hours of service per month, in a calendar month. It only bites at an applicable large employer: 50 or more full-time employees, counting full-time equivalents, in the previous year. Below 50, the ACA definition has no effect on you.

Above 50, it drives the schedule. An employee averaging 30 hours must be offered coverage or the employer risks a penalty. Employers measure it in one of two ways: month by month (130 hours in the month), or with a look-back measurement period of 3 to 12 months that sets the employee's status for a following stability period. A schedule that keeps someone at 28 hours most weeks and 36 in December can still cross the line on average.

35 hours: the statisticians' definition

The BLS Current Population Survey counts as full-time anyone who usually works 35 or more hours a week, and as part-time anyone who usually works fewer than 35. That is where "full-time" in unemployment reports and news stories comes from. It has no legal force in a workplace.

40 hours: overtime, not full time

Forty hours is the number everyone thinks of, and it is not a definition of full time. It is the overtime threshold: after 40 hours in a workweek, non-exempt employees are owed time and a half, full-time or not. A 40-hour full-time week became the norm because of that rule, not because the law says full time equals 40. The details: overtime pay and the 40-hour rule, and the overtime calculator.

What your own number decides

Because federal wage law is silent, the employer's definition is the one that matters day to day. Most handbooks put full time somewhere between 30 and 40 hours. The number decides:

• Benefits eligibility other than ACA coverage: dental, vision, life, disability, employer 401(k) match where the plan ties it to status.
• Paid time off accrual, if part-timers accrue at a lower rate or not at all. (Some states and cities require paid sick leave for all employees regardless of status, accrued per hour worked.)
• Holiday pay, where offered.
• Job postings and pay: a "full-time" job at 32 hours pays 32 hours.

Whatever number you pick, write it down, apply it the same way to everyone, and measure it on hours actually worked over a defined period, not on the hours someone was hired for.

Other laws that use hours, not status

• FMLA: eligibility requires 12 months of service, 1,250 hours in the previous 12 months (about 24 a week), and 50 employees within 75 miles. A "part-time" employee at 26 hours a week qualifies.
• 401(k) plans: since 2025, long-term part-time employees with at least 500 hours in each of two consecutive years must be allowed to make salary deferrals, whatever the plan calls them.
• State and city paid sick leave: typically 1 hour per 30 or 40 hours worked, for every employee.

What it means for the schedule

If you are near or above 50 full-time equivalents, the 30-hour average is the number to watch per person, and it is an average over the measurement period, so the December rush counts. If you are smaller, your handbook number is the one to apply consistently, because a part-timer who is regularly scheduled full-time hours has a case for full-time benefits.

Either way the raw material is the same: hours actually worked, per person, per week, kept where the manager and payroll can both see them. Squadra shows the weekly total next to each name as the schedule is built and records the hours worked when people clock in, so a 28-hour part-timer who is drifting to 34 is visible before the quarter closes. Free up to 10 employees: see the pricing.

Related: how many hours is part time, what counts as a workweek, and the hours calculator for totals from clock times.

*Sources: U.S. Department of Labor, "Full-time employment" (FLSA does not define full-time or part-time); IRS, "Identifying full-time employees" (30 hours a week, 130 a month); Bureau of Labor Statistics, CPS definitions (35 hours or more); U.S. Department of Labor, FMLA eligibility. Rules current as of September 2026. General information, not legal advice.*