Quick definition
Payroll hours = all paid hours in a pay period (regular + overtime + paid leave + paid breaks).
Regular hours = paid hours at the standard rate, before overtime applies. Federally, that is up to 40 per workweek.
Side-by-side comparison
| Aspect | Payroll hours | Regular hours |
|---|---|---|
| Includes overtime? | Yes (at OT rate) | No |
| Includes PTO? | Usually yes | No (PTO is separate) |
| Includes unpaid lunch? | No | No |
| Used to calculate gross pay? | Yes (every line) | Yes (regular pay line) |
| Cap per workweek? | No cap | 40 (federal FLSA) |
| Shown on pay stub? | Total of all lines | One line item |
Worked example
An hourly employee at $20/hour worked 45 hours and took 8 hours of paid sick leave in a workweek.
- Regular hours: 40 (the cap before overtime applies)
- Overtime hours: 5 (at 1.5× = $30/hour)
- Paid sick hours: 8 (at $20/hour)
- Total payroll hours: 53 paid hours that week
Gross pay: 40 × $20 + 5 × $30 + 8 × $20 = $800 + $150 + $160 = $1,110.
Note: PTO doesn't push the employee into overtime, the 5 OT hours come from actual hours worked over 40.
Where they appear on a pay stub
Most U.S. pay stubs show separate lines for regular, overtime, holiday, sick, and vacation pay. Adding them gives total payroll hours and total gross pay for the period.
How each label affects gross pay
On a U.S. pay stub, regular hours and payroll hours play different roles. Regular hours determine the base pay line at the standard rate. Payroll hours are the running total of every paid line: regular, overtime, holiday, vacation, sick, bereavement, jury duty, and any other paid category. Subtract the regular line from the payroll total and you should land on the sum of the premium and paid-leave lines.
Why employers track them separately
Payroll providers report regular and overtime separately because the IRS, the Department of Labor, and most state agencies want to see those buckets distinct. Auditors look at regular hours per workweek to confirm overtime triggered correctly. Workers' compensation premiums are sometimes calculated on payroll hours rather than just regular hours, which is one reason the two numbers stay split even when an employee works a perfectly straight 40-hour week.
Salaried employees
Salaried exempt employees often see "regular hours" listed as a flat 40 or 80 per pay period even when actual hours worked are higher or lower. Salaried non-exempt employees do track regular and overtime hours separately because they are still entitled to overtime under the FLSA. If you are salaried and your pay stub shows zero hours, ask your payroll team how time is tracked for compliance.
Common edge cases
- Holiday pay during a 45-hour week. The 8 holiday hours are part of payroll hours but do not count toward the 40-hour overtime threshold. The 5 hours over 40 are still overtime.
- Unpaid breaks. A 30-minute lunch shows up nowhere. It is not in regular hours, not in payroll hours, not in total hours worked.
- Shift differential. A night-shift premium is usually a separate pay line. The hours still count as regular hours, but the rate is higher for the differential portion.
Quick verification
To check a pay stub: add every hour line. The total should equal payroll hours. The hours at the standard rate should equal regular hours and should not exceed 40 per workweek for non-exempt employees. If either check fails, run your timesheet through the Payroll Hours Calculator or the Weekly Timesheet Calculator and compare line by line.
Important note
Definitions and PTO rules can vary by employer policy and state. Confirm specifics with your HR department or payroll provider before relying on them for pay decisions.