HomeCalculatorsSALARY & PAYROLL
SALARY & PAYROLL

Work Hours Calculator

Calculate net hours from clock-in, clock-out and breaks, then estimate weekly and monthly work hours.

Enter your values

Your inputs stay in this browser.
Free tool

Start of the shift.

Looks good.

End of the shift. Overnight shifts are supported.

Looks good.

Unpaid or excluded break time.

Looks good.

Used to estimate weekly and monthly totals.

Looks good.

Privacy-friendly: your inputs are processed locally in your browser.

Formula

Net daily hours = shift duration − break time. Weekly hours = net daily hours × working days per week.

Net daily hours = shift duration − break time. Weekly hours = net daily hours × working days per week.

How it works

1

Enter clock-in and clock-out times.

2

Enter the total excluded break minutes.

3

Enter working days per week and review daily, weekly and monthly totals.

Important notes

Monthly hours use 4.33 weeks per month as an estimate. This is time arithmetic, not a legal or payroll determination.