How to use the calculator
For each day you worked, enter the start time, the end time and any unpaid break in minutes. Leave the days you did not work empty. Then press Calculate.
To estimate your pay, add your hourly rate. You can also change when overtime starts (40 hours a week by default) and the overtime multiplier (1.5 by default, often called time and a half). Without a rate the calculator shows hours only.
The result table lists the hours for each day in two forms, hours and minutes (h:mm) and decimal hours, followed by the weekly total split into regular and overtime hours.
How the hours are calculated
- Daily hours = end time − start time − unpaid break.
- If the end time is earlier than the start time, the shift is treated as overnight and ends on the next day. A shift from 22:00 to 06:00 is 8 hours.
- Weekly total = the sum of all days.
- Overtime = the weekly hours above the threshold. Everything up to the threshold is regular time.
- Pay = regular hours × rate + overtime hours × rate × multiplier, rounded to cents.
Worked example
You work Monday to Friday from 8:00 to 17:30 with a 30-minute unpaid lunch. Each day is 9 hours, so the week is 45 hours: 40 regular hours and 5 overtime hours. At a rate of 20.00 per hour with a 1.5 multiplier, regular pay is 800.00, overtime pay is 5 × 20 × 1.5 = 150.00, and the estimated total is 950.00.
Good to know
- The pay figure is an estimate of gross pay before taxes, deductions and benefits. Your employer's payroll may round time differently, for example to the nearest quarter hour.
- Overtime rules differ. This tool uses a weekly threshold only. Some places and contracts also pay overtime after a set number of hours per day, or pay more on weekends and holidays. Check the rules that apply to your job.
- Breaks are whole minutes and must be shorter than the shift. Paid breaks should not be entered, because they count as working time.
- h:mm versus decimal. 7:45 means 7 hours 45 minutes, which is 7.75 decimal hours. Payroll systems usually ask for the decimal form.
- An overnight shift is counted in full on the day it starts, so a Sunday night shift stays in this week's total.
- Daylight saving changes are not applied; every shift is measured on a normal 24-hour clock.