Educational only: Work and pay decision support, not tax, legal, financial or career advice.
Privacy: No account is required. Tool inputs and results stay in this browser. Anonymous categorical usage analytics send only governed page, tool, cluster and action identifiers; tool inputs and results are never sent. Error monitoring is disabled. Optional saved state stays only on this device.
Update policy: Reviewed when formulas or official dependencies change.
Scope: Market-neutral work and pay planning using your own assumptions.
What this calculator helps you decide
Best for
Turning a repeating work schedule into comparable time totals.
Outputs
Weekly, monthly and annual hours, plus annual workdays.
Start here
Enter typical hours per workday, workdays per week and weeks worked per year.
- Close-intent boundary
- Do not use this to convert a gross pay amount; use Pay Period Converter after annualising the schedule.
Compare pay and working hours
Work Hours: weekly
Weekly, monthly and annual hours, plus annual workdays.
Working schedule
Enter the hours, days and weeks that describe the schedule.
Your numbers stay in this browser
Paid hours in one typical workday.
Days worked in a typical week.
Weeks worked across the year.
Calculated result
The schedule is annualised without adding holidays, overtime or local employment assumptions.
PDF and CSV exports stay on this device. Clean page links contain no inputs.
Scenario comparison
Each row names the assumption axis changed from the baseline.
ScenarioResultDifference
Entered scenario1,920 hours/yearBaseline
Weeks worked per year: 512,040 hours/year120 hours/year
Save these results, change an input, then compare the updated figures with this baseline.
The baseline is temporary in this tab and is not added to shared scenario links or generated reports.
Calculation details
View calculation detailsView the formulas and inputs used for these results.
Annual work hours
Annual work hours
annualHours = dayHours × daysPerWeek × weeksPerYear1,920Result1,920
Daily hours multiplied by workdays and weeks. Displayed using the engine-rounded value.
Annual work hours formula →Weekly work hours
Weekly work hours
weeklyHours = dayHours × daysPerWeek40Result40
Daily hours multiplied by workdays per week. Displayed using the engine-rounded value.
Weekly work hours formula →Average monthly hours
Average monthly hours
monthlyHours = annualHours ÷ 12160Result160
Annual hours divided by 12. Displayed using the engine-rounded value.
Average monthly hours formula →Days worked per year
Days worked per year
annualDays = daysPerWeek × weeksPerYear240Result240
Workdays per week multiplied by weeks worked. Displayed using the engine-rounded value.
Days worked per year formula →Inputs used
- Hours per workday
- 8
- Workdays per week
- 5
- Weeks worked per year
- 48
Open this calculator with preset values
This calculator supports documented, shareable scenario URLs. Compatible assistants and applications can construct links using the parameters below.
Scenario values are visible in the URL, calculations run in the browser, and optional saved state stays only on this device. Anyone you share the URL with can read those numbers, so do not include private or identifying data.
Example: https://wage101.com/tools/work-hours/?sv=1&dayHours=8&daysPerWeek=5&weeksPerYear=48
| Parameter | Meaning | Unit | Allowed values | Presence | Default |
|---|---|---|---|---|---|
| dayHours | Paid hours in one typical workday. | hours/day | 0.25 to 24 | Required | 8 |
| daysPerWeek | Days worked in a typical week. | days/week | 0.5 to 7 | Required | 5 |
| weeksPerYear | Weeks worked across the year. | weeks/year | 1 to 53 | Required | 48 |
Work Hours: weekly
Use the annual hours and days as the common time basis for pay or workload comparisons.
Formula summary
- Primary formula
- annualHours = dayHours × daysPerWeek × weeksPerYear
Data used here
- The estimate uses your inputs and the work-value formula documented in the methodology.
Decision checks
Act on the result
Check the schedule against a contract, rota or recent representative period.
Stress-test the decision
Change weeks worked to see how leave or seasonal gaps affect annual hours.
When this estimate can be misleading
- The result is a schedule total, not a timesheet or payroll calculation.
- Irregular shifts require an average schedule entered by the user.
- It does not distinguish paid from unpaid breaks or overtime premiums.
- Use the annual hours and days as the common time basis for pay or workload comparisons.
Educational estimate, not advice. See all assumptions & limitations →
Related reading
Use these practical guides to interpret the decision and its assumptions.
- How to use the Work Hours calculator
Calculate weekly, monthly and annual work hours plus days worked per year from your schedule.
Read guide
Frequently asked questions
How many hours and days does this work schedule add up to over a year?
Check the schedule against a contract, rota or recent representative period.
Which official source and period does this use?
This market-neutral tool does not use an official local policy rule.
Can I share or save a scenario?
Tool inputs and results stay in this browser. Anonymous categorical usage analytics send only governed page, tool, cluster and action identifiers; tool inputs and results are never sent. Error monitoring is disabled. Optional saved state stays only on this device.
How should I use the calculated result?
Treat the calculated result as one scenario, then verify the input record with the greatest effect on that result.