When to use this calculator
This is useful for translating a regular weekly schedule into time available for paid work or other commitments.
Explore the time & daily planning calculators for other questions in this topic. For a related calculation, use the Work Hours Calculator: Find paid hours from gross shift duration after an unpaid break.
PUTTING IT INTO PRACTICE
Weekly Hours: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Hours per workday | 7.5 |
| Workdays per week (integer) | 5 |
| Result | 37.5 hours/week |
- Check the input labels and enter the example values above.
- Apply the relationship: Weekly hours = daily hours × workdays.
- The result is 37.5 hours/week, rounded for display.
How to interpret your result
Assumes equal daily hours. Add variable shifts separately.
Decimal hours and clock notation are different: 1.5 hours is 1 hour 30 minutes. Clock-only tools cannot infer dates or daylight-saving transitions. Estimates based on a constant reading or speaking rate exclude breaks.
Frequently asked questions
Does 1.30 decimal hours mean one hour thirty minutes?
No. It means 1 hour plus 0.30 of an hour, or 1 hour 18 minutes. One hour thirty minutes is 1.5 decimal hours.
When is the weekly hours calculator useful?
This is useful for translating a regular weekly schedule into time available for paid work or other commitments.
How do I use the weekly hours calculator?
Enter hours per workday, workdays per week (integer). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Weekly hours = daily hours × workdays.
What should I check before using the result?
Assumes equal daily hours. Add variable shifts separately.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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