Tax & Payroll Calculators

Work Time Clock & Hours Calculator

Calculate decimal work hours, unpaid break deductions, and gross pay from daily clock-in and clock-out times.

Reviewed by David Miller, CPA (CPA, M.S. Finance (NYU Stern))

Verified for accuracy•Updated 2026

Interactive Calculator

1. Provide Details

Morning Shift Duration (Hours)

hrs

Afternoon Shift Duration (Hours)

hrs

Unpaid Break Duration (Minutes)

mins

Hourly Pay Rate ($)

$/hr

2. Output Results

Total Net Work Hours8.00 hrs

Estimated Gross Pay160.00 $

How to Calculate: Formula & Steps

Converts 12-hour or 24-hour clock timestamps to total minutes, subtracts unpaid break times, and formats to decimal hours.

Formula Used:Total Hours = (Shift 1 Duration + Shift 2 Duration - Break Minutes / 60); Gross Pay = Total Hours × Hourly Rate

Step-by-Step Calculation Example

Clocking in at 8:00 AM, out for lunch at 12:00 PM, in at 12:30 PM, and out at 5:00 PM totals 8.5 decimal hours (8 hrs 30 mins). At $20/hr, gross pay is $170.00.

Common Mistakes to Avoid

Forgetting to deduct unpaid lunch breaks when calculating billable hours.

Practical Use Cases

Employee payroll time card calculation
Freelancer hourly billing tracking

Expert Tips

Use decimal hours (e.g., 7.75) directly when populating payroll software or invoices.

Disclaimer

This calculation tool is provided for educational and informational estimation purposes only. Results are based on mathematical formulas and user-supplied parameters. They do not constitute formal underwriting, financial, tax, engineering, or legal determinations.