Add the requested inputs
Use the labelled fields in the workspace above. If example values are provided, try them first or replace them with your own.
Dates & time · Free online tool
Working days calculator
Count weekdays between dates with optional inclusive counting and holiday dates.
3 guest runs per rolling 24 hours10 with a free accountPrivate inputsMobile-friendly
Working days calculator workspace
Runs locally in your browser
Result
Working days—
Calendar days—
Weekend days—
Weekday holidays—
Working-day summary
Use it with confidence
How to use the working days calculator.
Calculate and review
Use the main action when needed. The tool visits each date in the range, excluding Saturday, Sunday and valid holiday entries.
Try a worked example
Use a pasted list of YYYY-MM-DD holidays when estimating a delivery or review window.
Check the assumptions
Local working weeks can differ; this tool uses Monday to Friday unless stated otherwise.
Checked sources
Official guidance behind this tool.
UK bank holidays
Official bank-holiday dates differ across England and Wales, Scotland and Northern Ireland. Copy the dates for the relevant nation into the optional holiday field.
Reference checked 25 July 2026. The source takes priority if guidance changes.
Helpful answers
Working days calculator FAQs.
Is the working days calculator free?
Yes. Guests receive 3 runs per rolling 24 hours, verified free accounts receive 10, and Premium subscribers receive unlimited normal use.
Does UtilHub upload or save my inputs?
No. This tool runs in your browser and UtilHub does not receive or store the values you enter. Your browser or device may still retain normal local history or form data.
How does this working days calculator work?
The tool visits each date in the range, excluding Saturday, Sunday and valid holiday entries.
What should I check before using the result?
Local working weeks can differ; this tool uses Monday to Friday unless stated otherwise.