How many pay periods are there in a biweekly year?

Twenty-six in most years, because 52 weeks divided by two gives 26 payments. Some calendar years produce 27 paydays depending on where the first one falls, and employers usually adjust the per-period amount so the annual salary stays the same rather than paying extra.

Is overtime harder to calculate on a semimonthly schedule?

Yes, because overtime is based on a fixed seven-day workweek rather than the pay period, and semimonthly periods routinely split a workweek across two payslips. The premium still has to be calculated on the whole workweek and is usually paid once that week finishes.

Biweekly vs Semimonthly Pay

Q: What is the difference between biweekly and semimonthly pay?

Biweekly pay arrives every fourteen days on the same weekday, producing 26 paydays a year. Semimonthly pay arrives twice a month on fixed dates such as the fifteenth and the last day, producing 24. Biweekly periods contain exactly two workweeks, while semimonthly periods vary in length.

Q: Which months have three paycheques?

Two months in each biweekly year contain three paydays, because 26 payments do not divide evenly across twelve months. Which months they are depends on the date of the first payday, so it changes annually. Semimonthly schedules never produce a third paycheque in a month.

Two payroll schedules sound almost identical and behave nothing alike. One pays every other Friday; the other pays on the fifteenth and the last day of the month. The biweekly vs semimonthly choice decides how many payslips an employee receives in a year, whether each one is the same size, how easily overtime can be calculated, and how much work the payroll team does each month. Employers usually pick one at founding and never revisit it.

This article sets out the difference in plain terms: 26 pay periods against 24, the months that carry a third paycheque, which cycle suits hourly staff and which suits salaried, and how each interacts with the workweek used for overtime. Hours for any cycle can be totalled with the free weekly time card calculator.

What Is the Difference Between Biweekly and Semimonthly Pay?

Biweekly pay is issued every fourteen days on a fixed weekday, giving 26 paydays a year. Semimonthly pay is issued twice a month on fixed dates, usually the fifteenth and the last day, giving 24. One tracks weeks; the other tracks the calendar.

That single difference produces everything else. A biweekly period always contains exactly two seven-day workweeks and always contains the same number of days. A semimonthly period contains a variable number of days, between thirteen and sixteen, and its boundaries fall wherever they fall in the week. Payday itself also moves: a biweekly payday lands on the same weekday every time, while a semimonthly payday drifts across the week and has to be shifted when the fifteenth falls on a Sunday.

Two further practicalities separate them. The first is the lag between the end of a period and its payday, which exists so hours can be collected, checked and processed; three to seven days is normal, and it should be stated in writing so nobody is surprised in their first month. The second is what happens when a payday falls on a weekend or public holiday. The convention is to pay on the preceding business day rather than the following one, and that calendar is best published a year ahead rather than decided each time.

Biweekly vs Semimonthly: 26 Pay Periods Against 24

The pay period count is the practical heart of the biweekly vs semimonthly comparison, because it sets the size of every payslip. An annual salary of $62,400 divides differently under each:

Biweekly, 26 pay periods: $2,400 gross pay per payslip, which is exactly 80 hours at $30 an hour.
Semimonthly, 24 pay periods: $2,600 gross pay per payslip, covering an average of 86.67 hours.
Weekly, 52 pay periods: $1,200 per payslip, the simplest cycle for overtime but the most administration.
Monthly, 12 pay periods: $5,200 per payslip, rare for hourly staff and common for senior salaried roles.

Note the semimonthly hours figure. There is no such thing as an 86.67-hour week, which is exactly the problem: the period does not correspond to any real unit of work. Occasionally a biweekly calendar produces 27 paydays in a year rather than 26, depending on where the first payday falls and whether the year contains an extra day; employers usually handle that by adjusting the per-period amount rather than paying an extra salary.

Which Months Have Three Paycheques?

Two months a year contain three biweekly paycheques instead of two, because 26 payments do not divide evenly into twelve months. Which months they are depends entirely on the date of the first payday of the year, so the answer changes annually.

For salaried staff nothing extra is being paid; the annual total is unchanged and the third payslip is simply the arithmetic catching up. It still causes confusion in two directions. Employees who budget monthly see a windfall, and employers who accrue payroll monthly see two months where the cost spikes. Semimonthly cycles never do this, which is one of their genuine advantages: every month costs the same, which makes budgets and monthly accounts tidier.

Benefit deductions follow the same split. Health insurance premiums are quoted monthly, so they divide neatly across 24 semimonthly payslips and awkwardly across 26. Employers on a fortnightly cycle usually take the premium from the first two payslips of each month and skip the third when it appears. Staff notice that skipped deduction and often assume it is an error, so publish the rule alongside the payday calendar and the question answers itself.

Biweekly vs Semimonthly for Hourly and Salaried Staff

Biweekly suits hourly staff; semimonthly suits salaried staff. Biweekly periods line up with whole workweeks, so hours and overtime fall cleanly inside one payslip. Semimonthly periods line up with the calendar month, which suits a fixed salary and monthly accounting.

The reasoning is worth spelling out. An hourly employee's pay is built from workweeks, and a biweekly period is precisely two of them, so the payslip needs no apportionment at all. A salaried employee's pay is a fixed annual figure divided evenly, and a semimonthly cycle divides it into equal amounts that match monthly rent, monthly benefit deductions and monthly financial statements. Organisations with both populations sometimes run biweekly for hourly staff and semimonthly for salaried, which is permitted but doubles the payroll workload. If one cycle has to serve everyone, biweekly is usually the safer choice, because the cost of getting overtime wrong is greater than the cost of an untidy month-end.

How Overtime Aligns With the Workweek

Overtime is calculated on a fixed workweek of seven consecutive days, never on the pay period, and this is where semimonthly cycles create real work. A semimonthly period routinely cuts a workweek in half, leaving hours from one week spread across two payslips.

Nothing about that is unlawful, but the calculation has to follow the workweek regardless. If an employee works 46 hours in a week that straddles the sixteenth, the six premium hours belong to that week and are paid once the week is complete, usually on the following payslip. What must never happen is totalling the hours inside the semimonthly period and applying the threshold to that figure: it is the wrong denominator and it understates what is owed. The threshold rules are set out in overtime pay basics, and the underlying daily arithmetic in how to calculate hours worked. Whichever cycle is used, the daily punch record is what supports it, and a plain punch in and punch out clock keeps that log per day rather than per pay period. Changing cycle mid-year is possible but disruptive, since one transitional period will be shorter or longer than usual and household budgets are built around the old rhythm. If it must be done, announce it well ahead, show the transitional payslip beforehand, and never let the change reduce an annual total. Errors of this kind are common enough to have their own entry in common payroll time mistakes.

Conclusion

The biweekly vs semimonthly decision comes down to whether payroll should follow weeks or the calendar. Biweekly gives 26 pay periods, a fixed payday, two three-paycheque months and clean overtime alignment, which is why it suits hourly workforces. Semimonthly gives 24 pay periods, level monthly costs and neat accounting, which suits salaried staff, at the price of workweeks that split across payslips. Pick the one that matches how your people are actually paid. Total any week with the free time card calculator, or browse the other tools on timeclock.now.

Biweekly vs Semimonthly Pay: 26 Periods or 24