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| Day | Clock in | Clock out | Break (min) | Daily total |
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How it works: daily hours = clock-out minus clock-in, minus the unpaid break. Overnight shifts are handled automatically — if clock-out is earlier than clock-in, it is counted as the next day. Hours above the weekly threshold are split out as overtime. Decimal hours are what payroll usually wants: 7.5 hours = 7 hours 30 minutes.
Try an example: Monday 09:00–17:00 with a 30-minute break
A timesheet calculator is a tool that adds up the hours you worked over a week from your daily start, finish, and break times. Instead of adding columns of times by hand, risking arithmetic slips, or building a spreadsheet formula, you enter each day's clock-in time, clock-out time, and unpaid break, and the tool produces clean daily totals and a weekly total. It is useful for employees checking their payslip, freelancers billing hourly work, managers reviewing team timesheets, and anyone who wants a clear record of the hours they actually worked.
Time arithmetic is surprisingly easy to get wrong. Minutes do not add up like ordinary decimals: 7 hours 45 minutes plus 8 hours 30 minutes is 16 hours 15 minutes, not 15 hours 75 minutes, and errors like that creep in quickly across a five-day week. A timesheet calculator handles the minutes correctly, keeps each day separate so mistakes are easy to spot, and gives you a total you can trust. It also creates a tidy weekly summary you can keep for your own records or share with an employer.
The maths is simple once it is broken down day by day. For each working day, the tool subtracts the clock-in time from the clock-out time to get the total span of the day, then subtracts any unpaid break to leave the payable hours for that day. A day from 9:00 to 17:30 with a 30-minute unpaid lunch therefore gives 8 payable hours. The weekly total is the sum of the daily totals. If a weekly overtime threshold is set, hours beyond that threshold are reported separately as overtime, so the standard hours and the overtime hours are both visible at a glance.
All you need is your start, finish, and break times for each day of the week. Times can come from a clock card, a rota, a scheduling app, or your own notes.
Imagine a five-day week where you work from 9:00 to 17:00 each day with a 30-minute unpaid lunch. Each day gives 7.5 payable hours, because 8 hours on site minus the 30-minute break leaves 7.5 hours. Over five days that totals 37.5 hours, which is below a 40-hour threshold, so no overtime is reported. Now suppose you stay two hours late on Friday, finishing at 19:00 instead of 17:00. Friday becomes 9.5 payable hours, and the weekly total rises to 39.5 hours, still just under the threshold. Add one more late finish on Thursday and the week reaches 41.5 hours, of which 40 hours are standard and 1.5 hours are shown separately as overtime.
The weekly view is where a timesheet calculator earns its keep. Daily totals tell you whether a single day looks right, while the weekly total is the figure that usually matters for pay. By reporting overtime separately rather than folding it into one big number, the tool keeps the two parts of the week distinct: standard hours that are paid at the normal rate, and extra hours that may be paid differently. This split also makes it easy to check a payslip, because you can compare the standard hours and the overtime hours on the slip against the matching figures from the calculator.
Overtime rules vary by country, contract, and employer, which is why the threshold in this tool is configurable rather than fixed. Some workplaces count overtime daily, others weekly, and some use a different threshold altogether, while salaried roles may not pay overtime at all. The tool reports hours above your chosen threshold separately, but it does not decide what counts as overtime for your job, and it does not give legal or payroll advice. Always check your contract, staff handbook, or local labour rules, and confirm any pay question with your employer or payroll department before acting on the figures.
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Only if the break is paid. Most timesheets deduct unpaid breaks, so enter your unpaid break time and let the tool subtract it. If your lunch is paid, enter zero for the break and the full span from clock-in to clock-out will count.
That is exactly what the tool is built for. Each day is entered separately, so a short Monday, a long Wednesday, and a Saturday shift all add up correctly into one weekly total.
No, it calculates hours, not pay. To turn hours into money, multiply the totals by your hourly rate, or use a dedicated pay tool once you know your standard and overtime hours.
Because overtime is normally counted only after the weekly threshold, and it is often paid at a different rate. Keeping it separate makes the weekly summary clearer and easier to check against a payslip.
Yes, by running the calculator week by week and adding the weekly totals together. Keeping the calculation in weekly blocks also matches how most overtime thresholds are defined.
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A timesheet calculator turns a week of clock times into a clear, checkable summary. Enter each day's start, finish, and unpaid break, let the tool add the minutes correctly, and read off your daily totals, weekly total, and any overtime separately. It is a small habit that prevents disputes, supports fair pay, and takes only minutes. To measure gaps between two times, try the Time Duration Calculator, to count working days in a period use the Working Days Calculator, to find the span between two dates use the Date Duration Calculator, and to convert hourly pay into salary figures use the Hourly Salary Converter.
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