Key Features
Who Is This Tool For?
- Freelancers and contractors who bill by the hour
- Hourly employees filling out timesheets
- Managers tracking team hours for payroll or project costing
- Salaried workers who want to understand their actual work hours
If you're paid by the hour or need to report time worked, you need to know exactly how many hours you worked each day. A work hours calculator takes your start time, end time, and break deductions and gives you the net hours worked.
PlanDaily's Work Hours Calculator runs in your browser. Add one or more days, enter start time, end time, and break minutes, and the tool shows hours worked per day and a weekly total. No sign-up required.
What Is a Work Hours Calculator?
Start and end times
You enter when you started and stopped working each day using time inputs. The tool calculates the gross span between them.
Break deductions
You enter how many minutes of break you took (lunch, coffee, etc.). The tool subtracts this from the gross span to get net hours worked.
Daily and weekly totals
The tool shows hours worked for each day and a running total across all days, so you can see your weekly hours at a glance.
Why It Matters
Accurate time tracking matters for pay, billing, and compliance. Estimating 'about 8 hours' isn't good enough when it's your livelihood or a client invoice.
Seeing your total hours also helps you understand your work patterns. If you're consistently at 50 hours when you thought you were doing 40, you can adjust or negotiate.
How to Use It
Enter start time
For each day, input when you started working. Use the time picker for accuracy.
Enter end time
Input when you finished. If you work past midnight, the tool handles overnight shifts automatically.
Deduct breaks
Enter the total minutes of breaks taken (e.g., 30 for a 30-minute lunch). The tool subtracts this from your gross span.
Add more days
Click 'Add another day' to include each workday in the week. The total updates automatically.
Read the total
The bottom shows your total hours across all days. Use this for timesheets, invoices, or personal records.
Elena is a freelance designer who bills by the hour. Each Friday, she opens PlanDaily's Work Hours Calculator and enters her week: Monday 9:00-17:30 with 30 min break, Tuesday 9:00-19:00 with 45 min break, and so on. The tool shows 8h 0m, 9h 15m, etc., and a weekly total of 42h 30m. She multiplies by her hourly rate for her invoice. The tool handles her overnight editing sessions (start 22:00, end 02:00) correctly because it recognizes the shift crosses midnight.
Common Mistakes
Forgetting to deduct breaks. If you don't subtract lunch and breaks, you'll over-report your hours. Be honest—breaks are part of the workday.
Rounding incorrectly. Don't round 7h 45m to 8h. Over a week, that's over-reporting. Use the exact number for timesheets and invoices.
Mixing up AM and PM. If you enter 9:00 to 5:00 without specifying PM, the tool may interpret it as 9am to 5am. Use the time picker to be sure.
Practical Tips
- ✓If you bill clients, track time per project, not just per day. Use a separate entry for each client or task.
- ✓Compare your hours to your output. If you're working 50 hours but producing the same as 35, something needs to change.
- ✓Use the event duration calculator for one-off tasks (a meeting, a phone call) and this tool for full workdays.
- ✓If you're a salaried employee, tracking hours helps you see if you're consistently over-working. Data supports conversations about workload.
FAQ
A Work Hours Calculator takes the guesswork out of time tracking. By entering start, end, and break times, you get accurate hours worked for timesheets, invoices, or personal insight.
Use PlanDaily's Work Hours Calculator for your next timesheet or invoice, and pair it with our time spent calculator to see where those hours actually go.