Business Days Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter details
Result
Enter the details to see your result.
Runs in your browser. Your inputs are not saved or transmitted.
How to use this calculator
- Pick start and end dates.
- Optionally paste public holidays (one date per line).
- Read working days, weekend days and holidays.
How it works
Counts every calendar day between the dates (inclusive), classing Saturdays/Sundays as weekends and your pasted dates as holidays; the rest are working days.
Worked example
A full week. Any 7 consecutive days contain 5 working days and 2 weekend days.
Tips
- Runs entirely in your browser. Your inputs are not saved or transmitted.
Frequently asked questions
Where do holidays come from?
You paste them yourself (one YYYY-MM-DD per line) — no server lookup, so it works for any country.
Privacy?
Runs entirely in your browser. Your inputs are not saved or transmitted.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.