Work Hours Calculator

Track daily and weekly work hours with overtime calculation and pay estimates.

Instant Work Time Overtime Calc

About the Work Hours Calculator

A work hours calculator adds up your total hours worked based on clock-in and clock-out times, including breaks, and can calculate your pay if you enter an hourly rate. It's built for tracking a single shift or a full week's timesheet without manually adding up hours and minutes by hand.

Why This Tool Exists

Adding up work hours across multiple shifts, especially with breaks subtracted, is exactly the kind of repetitive math that's easy to get slightly wrong. This tool exists to handle that automatically so your timesheet totals — and your pay calculation — come out accurate every time.

How to Use It

  1. Step 1. Enter your clock-in and clock-out times for each shift.
  2. Step 2. Enter any unpaid break time to subtract.
  3. Step 3. Add multiple days if you're calculating a full week.
  4. Step 4. Click Calculate to see total hours worked, and total pay if you entered an hourly rate.

Key Features & Benefits

How It Works

The calculator takes each clock-out time and subtracts the clock-in time to get shift duration, then subtracts any break time entered, and sums this across all shifts for a weekly total. If you worked 9:00 AM to 5:30 PM with a 30-minute lunch break, that's 8 hours worked; multiply that across a 5-day week at a given hourly rate, and the total pay calculation comes out automatically without needing a separate spreadsheet.

Frequently Asked Questions

How do I calculate total hours from clock-in and clock-out times?

Subtract the clock-in time from the clock-out time, then subtract any unpaid break time to get your net hours worked for that shift.

Does this handle overnight shifts?

Yes, if your clock-out time is earlier than your clock-in time (crossing midnight), the calculator correctly accounts for the shift spanning two calendar days.

Can I calculate a full week's timesheet at once?

Yes, you can add multiple shifts across several days and get a combined weekly total.

Will this calculate my pay too?

Yes, if you enter your hourly rate, it multiplies your total hours worked by that rate to show your total pay.

Does this account for overtime rates?

This calculates straight hours and pay at your entered rate; if you have a different overtime rate, you'd need to calculate that portion separately.