Quick answer
- There is no single universal number of weeks physically worked in a year.
- Paid weeks can include annual leave and public holidays.
- Use contracted paid hours, not automatically all time on the premises.
- The maximum working week is generally assessed as a 48-hour average over the applicable reference period.
Annual to Hourly Salary Converter
Open this Irish calculator to test your own numbers and compare the result with the guide.
On this page
How many working weeks are in a year?
A calendar year has 52 weeks, but “working weeks” can mean paid weeks, weeks with days physically worked or weeks covered by a contract. A full-year employee may be paid for 52 weeks while taking paid annual leave. Seasonal and shorter-year roles can have fewer paid weeks.
Paid weeks versus weeks actually worked
| Term | Meaning for conversion |
|---|---|
| Paid weeks | Weeks whose pay is represented by the annual or hourly earnings estimate |
| Weeks physically worked | Weeks containing active work rather than paid leave |
| Unpaid weeks | Periods that can reduce annual earnings or pro-rata salary |
Common weekly-hour patterns
Irish contracts commonly use patterns such as 35, 37.5, 39 or 40 paid hours, but none is universal. A 39-hour search should not be treated as a legal default. Use the actual paid hours in the contract or roster.
Paid and unpaid breaks
Break entitlement and payment are separate questions. A break can be required under working-time rules without automatically being paid. For salary conversion, include the break only when it forms part of paid hours.
Three-day, four-day and compressed patterns
A four-day week can mean reduced hours and pro-rata pay, or full-time hours compressed into four days. The first changes weekly hours; the second may change only daily hours. Enter hours and days separately so the calculator does not confuse the two arrangements.
Annual hours and the 48-hour average
Annual paid hours are weekly paid hours multiplied by paid weeks. This is a conversion input, not a legal test. WRC guidance says the maximum working week is generally 48 hours on average over the relevant reference period, with different reference periods and exceptions in some circumstances.
Choosing inputs from a contract or payslip
- Find the normal paid weekly hours in the written terms.
- Check whether breaks are included in those hours.
- Confirm whether salary covers the full year or excludes unpaid periods.
- Use working days for the daily result.
- Run a second scenario for recurring unpaid additional hours.
Frequently asked questions
How many working weeks are in a year in Ireland?
There is no universal figure. A full-year salary commonly covers 52 paid weeks, including paid leave, while seasonal or shorter-year roles may cover fewer.
What are average working hours per week?
Use the actual contractual or rostered hours for pay conversion. Legal maximum-hours rules are generally assessed as an average, not a calculator default.
Is 39 hours a standard Irish working week?
It is common in some roles but is not universal. Use the hours in the specific contract.
Do unpaid breaks count?
Not as paid hours unless the employer pays for them.
Does a four-day week mean 80% salary?
Only if paid hours fall to 80% and the employer applies a pro-rata reduction. Compressed full-time hours can remain full pay.
How do I calculate annual working hours?
Multiply weekly paid hours by paid weeks. Keep paid leave and genuinely unpaid periods correctly classified.
Can I enter more than 48 hours?
The calculators allow unusual patterns but warn about the general 48-hour average context. Check the applicable legal rules and exceptions separately.
Sources & references
Related calculators
Use these tools for the numbers behind this guide.