Date, Time & Calendar Tools
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Time Duration & Hours Calculator

Calculate elapsed hours, minutes, and seconds between times with break deductions

12-Hour24-Hour

Shift Parameters

Common Presets:
Net Billable Time Elapsed
7h 45m(7.75 decimal hours)
Total Decimal
7.75h
Total Minutes
465m
Total Seconds
27,900s
Gross Pay
$193.75
💡Overnight Logic: If ending time (17:30) is earlier than starting time (09:00), the calculator automatically treats it as a continuous overnight shift.

Multi-Task / Project Timesheet

Track and add multiple time entries with instant subtotal and CSV export.

Cumulative Total:7h 30m (7.5h)
⏱️Architecture & Design Review
02:30
⏱️Component Refactoring
03:15
⏱️Unit & E2E Testing
01:45

About Time Duration & Hours Calculator

Free online time duration calculator. Compute elapsed time between start and end times, deduct unpaid breaks, convert to decimal hours for payroll, and sum multiple time blocks.

Key Capabilities & Features

  • Shift start and end time calculation
  • Overnight shift support (crosses midnight)
  • Unpaid lunch/break deductions
  • Decimal hours output for billing
  • Multi-task time duration sum list

How to Use Time Duration & Hours Calculator

1

Enter Shift Times

Input your clock-in and clock-out times.

2

Deduct Break

Specify unpaid break minutes.

3

Get Total Hours

Read standard hours/minutes and decimal hours for payroll.

Privacy & In-Browser Execution Guarantee

100% in-browser processing. Timesheet data is completely private.

Frequently Asked Questions

Does it support shifts crossing midnight?

Yes, if end time is earlier than start time, it automatically handles the 24-hour day rollover.