9:00 AM to 5:30 PM
8 hr 30 min span − 30 min unpaid lunch
Time Clock Calculator With Lunch Break
Build a 7-day or 14-day time card from daily clock-in and clock-out times. Subtract each unpaid lunch, review daily totals, and split the period into regular and overtime hours.
FreeNo sign-upRuns on your device
Time card
Enter your shifts
MonW1
TueW1
WedW1
ThuW1
FriW1
SatW1
SunW1
Entries stay only in this browser until you choose Clear all entries. HH:MM and decimal totals update automatically.
Weekly total0 completed days
0:00
0.00 decimal hours
- Regular
- 0:00
- Overtime
- 0:00
The regular/overtime split is a planning estimate. Workplace and legal rules may use different periods or definitions.
The formula
How this calculator works
Net day = clock-out − clock-in − unpaid lunch; overtime = weekly hours above your chosen threshold
Each day is calculated separately, then added to its seven-day week. In biweekly mode, the overtime threshold is applied to each week instead of treating the full 14 days as one 40-hour week. The split is for planning only and does not determine payroll or legal eligibility.
Real examples
Common workday calculations
8 hr
10:00 PM to 6:30 AM
Overnight span − 30 min unpaid lunch
40 hours plus 42 hours
Two weeks with a 40-hour weekly threshold
Good to know
Edge cases and common mistakes
- A clock-out earlier than clock-in is treated as the next day, so overnight shifts calculate correctly.
- Matching clock-in and clock-out times are not assumed to mean a 24-hour shift; enter long shifts as separate records.
- Subtract only unpaid lunch or break time. A paid break remains inside the worked-time total.
- The adjustable overtime threshold is an arithmetic planning aid, not a payroll or legal classification.
Answers
Frequently asked questions
How do I calculate work hours with an unpaid lunch break?
Find the time from clock-in to clock-out, then subtract the unpaid lunch. For example, 9:00 AM to 5:30 PM is 8 hours 30 minutes; after a 30-minute unpaid lunch, the net total is 8 hours.
Can this time card calculator handle overnight shifts?
Yes. When clock-out is earlier than clock-in, the calculator carries clock-out into the next day and labels the row as overnight.
How does overtime work in biweekly mode?
The selected threshold is applied separately to each seven-day week. With a 40-hour threshold, weeks of 40 and 42 hours produce 80 regular hours and 2 overtime hours for planning purposes.
Does the calculator save my time card?
Yes. Your period, threshold and entries are saved locally in this browser. You can clear them at any time, and the data is not tied to an account.