Hours Calculator
Calculation Method
Calculate hours and minutes between two times
Enter your start time and end time to calculate total work hours, deduct breaks, and get decimal hours for payroll.
Calculate hours between two dates & times
Find the total hours, days, minutes, and working business hours across multi-day calendar spans.
Weekly work hours & timesheet calculator
Log your daily start, end, and break times from Monday to Sunday to compute total weekly hours, overtime, and gross wages.
| Day | Start Time | End Time | Break (mins) | Hours (hh:mm) | Decimal |
|---|---|---|---|---|---|
| Monday | 7h 30m | 7.50 | |||
| Tuesday | 7h 30m | 7.50 | |||
| Wednesday | 7h 30m | 7.50 | |||
| Thursday | 7h 30m | 7.50 | |||
| Friday | 7h 30m | 7.50 | |||
| Saturday | 0h 0m | 0.00 | |||
| Sunday | 0h 0m | 0.00 |
Hours & minutes to decimal hours converter
Instantly convert standard clock hours and minutes (e.g. 7 hours 45 mins) to decimal hours (7.75 hrs) for payroll calculations, or vice-versa.
Clock Time to Decimal Hours
Decimal Hours to Clock Time
Common Minutes to Decimal Payroll Hours Reference
| Minutes | Decimal |
|---|---|
| 5 min | 0.08 hr |
| 10 min | 0.17 hr |
| 15 min | 0.25 hr (¼ hr) |
| 20 min | 0.33 hr |
| 25 min | 0.42 hr |
| Minutes | Decimal |
|---|---|
| 30 min | 0.50 hr (½ hr) |
| 35 min | 0.58 hr |
| 40 min | 0.67 hr |
| 45 min | 0.75 hr (¾ hr) |
| 50 min | 0.83 hr |
From 9:00 AM to 5:00 PM with a 30-minute break deducted.
Estimated Gross Earnings
About the Free Hours Calculator
This free hours calculator is a fast, comprehensive online hours calculator designed to help employees, freelancers, contractors, managers, and HR specialists calculate hours with pinpoint accuracy. Whether you need to calculate hours between two times, calculate total hours and minutes for a single shift, track weekly work hours across a full workweek, or convert time into decimal hours for payroll hours and timesheets, this tool provides instant results without requiring software installation or signups.
How to Calculate Hours Between Two Times
To calculate hours between two times, determine the elapsed time from your start time to your end time and subtract any unpaid break time. For example:
- Step 1 (Convert to 24-hour clock): 9:00 AM is
09:00; 5:30 PM is17:30. - Step 2 (Subtract start from end):
17:30 − 09:00 = 8 hours 30 minutesgross elapsed time. - Step 3 (Deduct unpaid breaks): Subtract a 30-minute lunch break:
8h 30m − 30m = 8 hours 0 minutesof net time worked (8.00 decimal hours).
Work Hours Calculator with Lunch Breaks
Using a dedicated work hours calculator or hours worked calculator makes calculating daily working hours effortless. Most employment agreements require subtracting meal intervals from total hours worked. This tool lets you quickly deduct lunch minutes or input exact start and end break timestamps, automatically computing net hours worked with breaks deducted.
Calculating Overnight Work Hours Across Midnight
Calculating overnight shifts (such as 10:00 PM to 6:00 AM) can be confusing because the end time is numerically lower than the start time. This time duration calculator automatically detects when a shift crosses midnight by adding 24 hours (1,440 minutes) to the ending time: (06:00 + 24:00) − 22:00 = 30:00 − 22:00 = 8 hours. You can seamlessly calculate night shifts, third shifts, and overnight emergency duty without manual adjustments.
Converting Hours and Minutes to Decimal Hours for Payroll
Payroll systems require work time recorded in decimal hours rather than minutes. Divide the minute portion by 60: Decimal Hours = Hours + (Minutes ÷ 60). For example, 7 hours and 45 minutes equals 7.75 decimal hours (45 ÷ 60 = 0.75). Multiplying 7.75 hours by a $25.00 hourly wage yields an accurate gross pay of $193.75.
Time Clock Rounding Rules (The 7-Minute Rule)
Under Fair Labor Standards Act (FLSA) guidelines, employers may round employee punch times to the nearest quarter hour (15 minutes), 1/10th hour (6 minutes), or 5 minutes. With 15-minute rounding (the 7-minute rule), clock times from 1 to 7 minutes past the quarter-hour round down, while times from 8 to 14 minutes round up.
Common Work Shifts Reference Table
| Work Shift (Start – End) | Gross Time | Standard Lunch | Net Hours Worked | Decimal Hours |
|---|---|---|---|---|
| 9:00 AM – 5:00 PM | 8 hrs 0 mins | 30 min unpaid | 7 hrs 30 mins | 7.50 hrs |
| 8:00 AM – 5:00 PM | 9 hrs 0 mins | 60 min unpaid | 8 hrs 0 mins | 8.00 hrs |
| 8:00 AM – 4:30 PM | 8 hrs 30 mins | 30 min unpaid | 8 hrs 0 mins | 8.00 hrs |
| 8:00 AM – 6:00 PM | 10 hrs 0 mins | 60 min unpaid | 9 hrs 0 mins | 9.00 hrs |
| 7:00 AM – 3:30 PM | 8 hrs 30 mins | 30 min unpaid | 8 hrs 0 mins | 8.00 hrs |
| 10:00 PM – 6:00 AM (Overnight) | 8 hrs 0 mins | 30 min unpaid | 7 hrs 30 mins | 7.50 hrs |
Privacy and Local Processing
All calculations on this page run completely locally inside your web browser. None of your entered clock times, wage numbers, hours worked, or timesheets are uploaded or stored on Toolslight servers.
Interested in more?
If you're managing your schedule, you might also want to find out exact future times with our hours from now calculator.
Looking to measure the span between dates? Try our easy days from now calculator to see when a deadline hits.
Or, track historical milestones with the precise date difference calculator.
Need two-way conversions between clock minutes and payroll hours? Use our minutes to hours converter.
Frequently Asked Questions
What is an hours calculator and how does it work?
An hours calculator (or work hours calculator) is a tool that computes the time duration between a starting and ending time. It works by taking your start time and end time, standardizing them, deducting breaks, and returning the exact hours, minutes, and decimal hours elapsed.
How do I calculate hours between two times?
To calculate hours between two times (for example, 8 AM to 5 PM is 9 hours gross, or 9 AM to 5 PM is 8 hours), simply enter your starting and ending times into our calculator. Select your unpaid break duration, and it will instantly calculate your net work hours.
How do I calculate hours worked with a break?
To calculate working hours accurately, input your start and end times, then enter your break time in minutes (or exact break start/end times). The tool will automatically subtract the break time (like a lunch break) from your total elapsed shift hours.
How do I calculate overnight work hours across midnight?
Yes, this hours calculator automatically calculates hours across midnight. When you enter a start time that is later than your end time (e.g., 10 PM start and 6 AM end), the calculator detects this as an overnight shift and adds 24 hours to provide your exact hours worked.
How do I calculate decimal hours for timesheets and payroll?
To calculate decimal hours, divide the minutes worked by 60 and add them to the hours. For example, 7 hours and 45 minutes equals 7.75 decimal hours. The calculator converts all shifts into decimal hours automatically for payroll entry.
How do I calculate weekly work hours and overtime?
Switch to the "Weekly Timesheet" tab above and enter your shift times for Monday through Sunday. The tool sums your total weekly hours, calculates regular hours vs overtime over 40 hours per week, and estimates gross pay.
How many hours is 9 AM to 5 PM with a lunch break?
From 9:00 AM to 5:00 PM is exactly 8 hours elapsed (480 minutes). With a standard 30-minute unpaid lunch break, the net working time is 7 hours and 30 minutes (7.50 decimal hours).