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Hiring Full-Time vs. Part-Time: Key Differences, Hours and How to Choose

6 Minutes to Read

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    Takeaway

    The difference between part-time and full-time employees comes down to hours, benefits and how each role fits into your workforce. But the right choice depends on your business needs. Read what sets these two types of employment apart and how to decide which is right for your organization.

    Most employers need a mix of full-time and part-time workers. But which combination is better for a specific business isn’t always clear. After all, a role’s classification can change:

    • hours
    • benefits
    • costs
    • compliance rules

    Understanding the difference between part-time and full-time employment helps you make smarter hiring decisions, avoid regulatory issues and build a team that can reach your organization’s goals. Let’s explore what sets these two types of employment apart and how to choose the right fit.

    Part-time vs. full-time: Quick comparison for employers

    Before we dive too deep, here’s a broad, side-by-side comparison of full-time and part-time employment:

    Factor Full-time employees Part-time employees
    Weekly hours Typically 35-40 hours or more Typically under 30-35 hours
    Benefits eligibility Often eligible (health, PTO, retirement, etc.) Usually limited or none
    Cost to employer Usually higher total cost (salary + benefits + taxes) Usually lower total cost
    Scheduling Fixed, predictable Flexible, variable
    Overtime rules Applies after 40 hours (for FLSA nonexempt employees) Less common, but same rules apply
    Compliance considerations ACA, FMLA and ERISA thresholds apply Fewer requirements in many cases
    Best for Core roles, long-term growth Seasonal, flexible or support roles

    How many hours per week is part-time employment?

    No specific federal law defines part-time work. However, the Bureau of Labor Statistics considers anyone who works fewer than 35 hours per week to be part-time. Part-time hours per week often fluctuate depending on the employer and industry.

    In hospitality, for example, part-time roles are common for covering nights, weekends and seasonal demands. Prairie Knights Casino & Resort, a 24/7 operation with 497 employees, relies on flexible scheduling across shifts to keep the business running around the clock. What is considered a part-time role ultimately depends on a mix of company policy and the federal or state laws that apply to your workforce.

    How many hours per week is full-time employment?

    The answer depends on who is defining it. The Bureau of Labor Statistics counts employees working 35 or more hours per week as full-time. But the IRS and the Affordable Care Act (ACA) set a lower bar. Under the ACA, an employee averaging at least 30 hours per week, or 130 hours per month, counts as full-time for health coverage purposes.

    This means an employee your company considers “part-time” at 32 hours per week could still be “full-time” under the ACA. That could trigger health coverage requirements if your organization qualifies as an applicable large employer, or an employer with 50 or more full-time employees or full-time equivalents. What is considered a full-time role depends on company policy, federal guidance and benefits eligibility.

    Key differences between part-time and full-time employees

    The difference between part-time and full-time employees goes beyond weekly hours. Here’s how each classification affects your business across five key areas.

    1. Hours and scheduling

    Full-time employees generally work set schedules, often five days a week at eight hours a day, making it easier to plan projects and keep coverage steady. Part-time hours tend to be more flexible, which gives employers the ability to scale staffing based on demand. The right balance between fixed and flexible hours keeps operations running smoothly, and automated scheduling tools can help manage both.

    2. Benefits and compensation

    Full-time workers are typically eligible for health insurance, paid time off, retirement plans and other employer-sponsored benefits. Part-time employees often receive limited or no access to those same benefits, though certain federal, state or local laws may require coverage regardless of classification. Offering competitive benefits to part-time workers can also help with recruiting and retention, especially in tight labor markets.

    3. Cost to employers

    Full-time employees cost more when you add up salary, benefits, payroll taxes and overhead, but that investment can pay off through higher productivity and lower turnover. Part-time employees cost less per person, making them a good fit for roles that don’t need a 40-hour commitment. The better question is not which costs less, but which pay structure delivers the best return for a given role.

    4. Compliance and legal considerations

    The FLSA does not define full-time or part-time. It simply requires overtime pay at one and one-half times the regular rate for any nonexempt employee who works more than 40 hours in a workweek, regardless of classification. Where classification matters most is under the ACA: An applicable large employer (any employer with 50 or more full-time equivalent employees) must offer affordable health coverage to full-time employees or face potential penalties. Understanding exempt vs. nonexempt classifications is equally important, as getting it wrong can lead to legally required backpay.

    5. Retention and workforce stability

    Full-time employees tend to stay longer, build deeper expertise and form stronger relationships across teams. That stability lowers recruiting costs and keeps institutional knowledge in place. Part-time employees bring valuable skills and flexibility, but turnover in part-time roles tends to be higher, especially when workers are looking for full-time opportunities.

    Investing in the part-time employee experience through clear communication, fair scheduling and access to development opportunities can improve retention. Tools like a retention dashboard help employers spot trends early and act before turnover strikes.

    How to decide between hiring full-time and part-time employees

    The right mix of full-time and part-time employees depends on your goals, budget and the work itself.

    Full-time employees are usually the better fit for core roles that need consistent availability, strong collaboration and long-term investment. If you are building a team that needs to grow with the organization and hold onto what it learns, full-time hires provide that base.

    Part-time employees work well for roles tied to seasonal demand, extended coverage hours or tasks that don’t need a 40-hour week. They also offer a lower-cost way to test new roles before committing to a full-time head count.

    There are many rules and regulations to consider with different types of employees, and those are important from a budget and compliance standpoint. But the employee experience matters just as much. Whether your people work full time or part time, helping them feel valued is what drives results. Make sure all roles are properly managed so part-time workers are not stretched too thin and day-to-day operations stay on track.

    Full-time vs. part-time: FAQ

    Is overtime different for part-time employees?

    No. The FLSA requires overtime pay for any nonexempt employee who works more than 40 hours in a workweek, whether they are classified as part-time or full-time.

    Can a part-time employee become full-time?

    Yes. Employers can reclassify a part-time role as full-time based on business needs. Keep in mind that reclassification may change the employee’s eligibility for benefits and affect compliance requirements.

    How Paycom helps you manage your workforce with confidence

    Whether you are hiring full-time, part-time or a mix of both, Paycom’s single software helps you manage scheduling, benefits, payroll and compliance in a single software. Explore how Paycom supports your hiring decisions and helps you stay compliant.

    DISCLAIMER: The information provided herein does not constitute the provision of legal advice, tax advice, accounting services or professional consulting of any kind. The information provided herein should not be used as a substitute for consultation with professional legal, tax, accounting or other professional advisers. Before making any decision or taking any action, you should consult a professional adviser who has been provided with all pertinent facts relevant to your particular situation and for your particular state(s) of operation.