Timesheet Calculator
Add up a week of shifts with breaks, overtime threshold and hourly rate. Shows daily and weekly totals in hours, minutes and decimal hours.
Last reviewed: 30 July 2026
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How this calculation works
Each day is totalled on its own: the gap between the start and finish times, less any unpaid break. Those daily totals are added to give the paid hours for the week. Overtime is then taken from the weekly total rather than day by day.
Weekly rather than daily overtime
Applying the threshold to the week is what most contracts and statutes describe. Someone who works four ten-hour days has forty hours and no overtime under a weekly rule, but eight hours of overtime under a daily eight-hour rule. If your contract sets a daily threshold, total each day separately using the hours worked calculator.
Unpaid breaks
Only unpaid breaks belong in the break column. Paid rest breaks are part of your working time and should be left out, or you will understate your hours.
Night shifts
Enter a shift on the day it began. A finish time earlier than the start time is recognised as crossing midnight, so a Friday shift ending at 06:00 on Saturday is counted against Friday and Saturday is left blank.
Worked example
Four days of 09:00–17:30 and one of 09:00–19:00, each with a 30-minute break, overtime after 40 hours at 1.5×, £20 an hour
- Four days at 8 hours paid: 32 hours.
- One day at 9 hours 30 minutes paid: 9.5 hours.
- Weekly total: 41.5 hours.
- Regular: 40 hours at £20 = £800.
- Overtime: 1.5 hours at £30 = £45.
- Gross total: £845.
Limitations
- One shift per day. Split shifts need to be totalled separately and combined.
- Pay is gross, before tax and deductions, and takes no account of shift premiums, unsocial hours allowances or holiday pay.
- This is a calculation tool, not payroll or employment advice. Check the figures against your contract and payslip.
Frequently asked questions
Do I have to fill in every day?
No. Leave both time fields blank for any day you did not work and it is skipped entirely. Only the days with a start and finish time are counted.
Is overtime calculated per day or per week?
Per week, against the total paid hours. That matches how most weekly thresholds are written, including the 40-hour US federal rule and typical UK contractual terms. If your contract sets a daily threshold instead, calculate each day separately.
How are night shifts handled?
A finish time earlier than the start time is treated as running into the next day, so a Friday 22:00 to 06:00 shift counts as eight hours against Friday. Enter it on the day the shift began.
What overtime multiplier should I use?
It depends entirely on your contract. Time-and-a-half (1.5) is the most common, double time (2.0) is used for some weekends and public holidays, and many salaried roles have no premium at all. There is no universal legal default in the UK.
Can I save or print my timesheet?
The Print button produces a clean copy with the adverts and navigation removed. The Copy button puts the whole table on your clipboard as text, ready to paste into an email or spreadsheet. Your entries are also kept in the page address, so bookmarking the link brings the week back.