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Work hours calculator

Calculate hours worked from a start time, end time and break.

Enter Start — hour, Start — minute, End — hour, End — minute, Break (minutes) and the Work hours calculator works out Hours worked, Total minutes straight away. For instance, with Start — hour = 9, Start — minute = 0, End — hour = 17, End — minute = 30 and Break (minutes) = 60 it returns Hours worked = 7.5 and Total minutes = 450.

How to use it

  1. Enter your values: Start — hour, Start — minute, End — hour, End — minute, Break (minutes).
  2. Read the result instantly: Hours worked, Total minutes.

Frequently asked questions

How does the Work hours calculator work?

It takes Start — hour, Start — minute, End — hour, End — minute and Break (minutes) and derives Hours worked and Total minutes from them. The calculation is live as you type, so the result updates on every change.

Which values does the calculator ask for?

5 values: Start — hour, Start — minute, End — hour, End — minute and Break (minutes). Nothing else is required — no account, no file upload.

What does a typical calculation look like?

With Start — hour = 9, Start — minute = 0, End — hour = 17, End — minute = 30 and Break (minutes) = 60, the calculator returns Hours worked = 7.5 and Total minutes = 450. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

How much does the result change with different inputs?

It moves a lot. Using Start — hour = 18, Start — minute = 5, End — hour = 34, End — minute = 60 and Break (minutes) = 120 instead, Hours worked goes from 7.5 to 14.917 — which is why it is worth testing a few scenarios rather than trusting a single figure.

What does it give for smaller values?

Scaled down to Start — hour = 5, Start — minute = 1, End — hour = 9, End — minute = 15 and Break (minutes) = 30, Hours worked comes out at 3.733. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Budgeting a hire properly, converting between working-time bases, and checking what leave, overtime or a departure actually costs.

What is the most common mistake?

Budgeting the salary as the cost of the hire. Employer contributions, paid leave, equipment and the recruitment itself typically add 20% to 60% on top, depending on the country.

What is the difference between the Work hours calculator and the Billable Hours Calculator?

This one returns Hours worked and Total minutes; the Billable Hours Calculator returns Billable hours per week and Weekly revenue. That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Babysitter cost calculator is the closest one after this: Estimate the total cost of a babysitting session from hourly rate, hours and number of children.

What else is worth having open alongside it?

Remote work savings calculator and Employee cost calculator — they come up in the same task often enough to be worth a second tab.

Further reading

All guides
GuideHours Worked With Breaks: the Two Questions the Arithmetic Cannot AnswerEnd minus start minus break is the easy part. Whether a break is paid and whether it counts as working time are two different questions with different answers by country — plus rounding, where timesheets actually go wrong, and what the tool does with a shift that crosses midnight.How-toHow to Calculate Billable Hours, Utilization and Annual RevenueA step-by-step guide to billable hours: separate billable from non-billable time, work out your utilization rate, and project the annual revenue your hours can produce.GuideWhat a Babysitter Actually Costs, Beyond the Hourly RateThe hourly rate is the small part. Minimum hours, the late-return surcharge, the ride home — and the question that changes the number most: casual help, or a declared employee? Six markets, named, with the thresholds that could be verified.ExplainerWhat an Employee Actually Costs: France, Germany and Spain in 2026The gross salary on the contract is not the price of the job. Three European countries, the same monthly gross, and the employer's compulsory bill differs by nearly a factor of two — because of ceilings, not because of headline rates. Here is the 2026 arithmetic, line by line.ExplainerThe True Cost of an Employee: Beyond the SalaryAn employee costs far more than their gross salary. Learn how payroll taxes, benefits and overhead push the total to roughly 1.25–1.4× the salary, with a worked example.ExplainerAsset Turnover: Diagnosing Capital That Is AsleepNet sales divided by net fixed assets is one of the easiest ratios to compute and one of the least comparable. The same retailer scored 10× before the lease standard and 1.39× after it — same shops, same sales, same year.