About the Business Days Calculator
Count the working days (Monday to Friday) between two dates. This tool is free, works in your browser and needs no sign-up.
How to use the Business Days Calculator
Pick a start date and an end date. Both days are counted. Public holidays are not removed.
Formula used
The tool counts every day from the start to the end and skips Saturdays and Sundays.
Example
With Start date 2026-01-01, End date 2026-01-31, the calculator shows: Business days = 22; Weekend days = 9; Total days = 31.
Frequently asked questions
Is the Business Days Calculator free to use?
Yes. It is completely free and you can use it as many times as you like.
How accurate is the Business Days Calculator?
The calculator uses standard formulas, so the maths is exact. Real life results can differ because of fees, taxes, rounding or personal factors, so treat the answer as an estimate.
Do you store the numbers I enter?
No. All calculations run in your browser. The values you type are not sent to our server.
Disclaimer: results are estimates for information only. They are not financial, medical or professional advice.