Working-hours calculator
Work out your total working hours per week and per year, from your daily hours, working days and holiday allowance.
Result
Working hours per year
Working hours per week
How to use this calculator
- Enter your typical hours per day and working days per week.
- Enter your holiday allowance in weeks — the UK statutory minimum is 5.6 weeks (28 days) for a full-time role.
- Read your weekly and annual working hours.
Assumptions
- Assumes a consistent number of hours and days every working week, with no unpaid leave beyond the stated holiday allowance.
Technical details: what the fields mean
- Hours per day
hoursPerDay - Your typical working hours in a day.
- Days per week
daysPerWeek - How many days a week you work.
- Holiday weeks per year
holidayWeeksPerYear - Paid holiday allowance in weeks — 5.6 weeks (28 days) is the UK statutory minimum for a full-time role.
Methodology
Weekly hours = hours per day × days per week. Annual hours = weekly hours × (52 − holiday weeks).
Worked example
8 hours/day, 5 days/week, 5.6 weeks holiday
Inputs: hoursPerDay=8, daysPerWeek=5, holidayWeeksPerYear=5.6
Result: 40.0 hours/week, 1,856 hours/year
Practical guidance
- Use this alongside a salary figure to work out an effective hourly rate for comparison purposes.
Common mistakes
- Forgetting to subtract holiday weeks, which overstates true annual working hours by roughly 10%.
FAQs
How many working hours are there in a year?
For a standard 40-hour week with 5.6 weeks' holiday, about 1,856 hours a year — enter your own figures above for an exact number.