Work Hours Calculator for Timesheets
Calculate daily and weekly work hours from start time, end time, break minutes, and workdays for timesheets, invoices, shift planning, and schedule checks.
Ready to use
Browser-side · no account · results stay on this page
Daily time
8h 0m
Decimal hours
8h
Weekly total
40h
Work hours equal end time minus start time minus break time.
Decimal hours convert minutes into a payroll-friendly hour value.
Use one shift at a time
Calculate each shift separately when breaks or overnight rules differ.
Enter unpaid breaks
Only subtract breaks that should not count as paid work time.
Example
9:00 AM to 5:30 PM with a 30 minute break is 8.0 worked hours.
Assumption
Start and end times refer to one continuous shift.
Limitation
Payroll rounding, overtime rules, and local labor policies are not applied.
Timesheets
Convert clock times to decimal hours.
Invoicing
Estimate billable daily hours.
Shift planning
Check weekly totals before scheduling.
Overnight work
Handle shifts crossing midnight.
Can this calculate overnight shifts?
Yes. If the end time is earlier than the start time, the calculator treats the shift as crossing midnight.
How are breaks handled?
Break minutes are subtracted from the total elapsed shift time.
What are decimal hours?
Decimal hours convert minutes into a fraction of an hour, which is useful for timesheets and invoices.
Is this a time tracking app?
No. This page is a calculator for one-off time entries, not a time tracking or payroll storage system.
Can this calculate overnight shifts?
Yes. If the end time is earlier than the start time, the calculator treats the shift as crossing midnight.
How are breaks handled?
Break minutes are subtracted from the total elapsed shift time.
What are decimal hours?
Decimal hours convert minutes into a fraction of an hour, which is useful for timesheets and invoices.
Is this a time tracking app?
No. This page is a calculator for one-off time entries, not a time tracking or payroll storage system.
Suggested workflow
Timesheet workflow
Calculate hours, add date offsets, and convert time units when needed.