Tax and salary

Work Hours Tool

Calculate total weekly and monthly working hours from a daily schedule.

Quick math0

Use this for quick arithmetic, percentages, or to check figures while filling in the main tool, without leaving the page.

Your figures

Estimate

Estimated weekly work hours: 35.0

Weekly hours
35.0
Monthly average
151.7
Annual hours
1,820.0

Subtracts the unpaid break from each workday before multiplying by workdays per week.

How to use this tool

  1. Use Work Hours Tool for the question described above, and check that the inputs match your records and time period.
  2. Enter hours per workday.
  3. Enter workdays per week.
  4. Enter unpaid break per day.
  5. Change hours per workday, workdays per week, unpaid break per day to compare scenarios, then check the units in the result.

Worked example with the prefilled values

This example shows how Work Hours Tool uses its starting values. Change the calculator inputs to estimate your own situation.

Hours per workday
7.5 hours
Workdays per week
5 days
Unpaid break per day
30 minutes

Estimated weekly work hours: 35.0

  • Weekly hours35.0
  • Monthly average151.7
  • Annual hours1,820.0

Subtracts the unpaid break from each workday before multiplying by workdays per week.

Formula and calculation logic

Net hours per workday = max(0, hours per day − unpaid break minutes ÷ 60)

Weekly work hours = net hours per workday × workdays per week

Monthly average = weekly hours × 52 ÷ 12

Calculate total weekly and monthly working hours from a daily schedule.

The displayed formula below shows how the entered values are combined.

Assumptions

  • Uses the values entered and simplifies real contracts, tax rules or personal circumstances. Update example values before relying on the estimate.

Published sources

Further reading for checking current rules and information. These links are not live inputs to the tool.

Questions about this tool

Is the break subtracted from each workday?

Yes. The entered unpaid break is subtracted once per workday.

Are paid breaks counted?

This tool only subtracts the break you enter; treat paid breaks according to your records.

How is monthly average calculated?

Weekly hours are multiplied by 52 and divided by 12.

Does this check legal working-time limits?

No. It totals hours and does not assess a work schedule’s legality.