KLOORAHow to Calculate Working Days Between Two Dates
Published 4 November 2026 by Kloora Tools
Quick answer: use the free Business Days Calculator to count the working days (Monday to Friday) between two dates. It runs in your browser, so nothing you enter is uploaded or stored, and there is no signup.
What is the Business Days Calculator?
Count the working days (Monday to Friday) between two dates. People often search for it as "business days calculator", "working days calculator" or "weekdays between dates". This free version works on any phone or computer and needs no download.
How to use the Business Days Calculator
- Open the Business Days Calculator.
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
How it works
The tool counts the days from Monday to Friday between the start and end date, including both ends. Public holidays are not removed, so subtract them yourself for your country.
Worked example
- Input: Start date: 2026-10-26; End date: 2026-11-06
- Result: Business days: 10; Weekend days: 2; Calendar days: 12
Common uses
- Estimate delivery or processing times
- Calculate notice periods and payment terms
- Plan project schedules in working days
Tips for the best result
- Read the labels carefully and use the same unit for every value.
- Try the default example first to see how the tool behaves.
- Change one input at a time to see how it affects the result.
- Write down or copy the result before you leave the page.
Common mistakes to avoid
- Mixing units, such as metres in one field and feet in another.
- Entering a value in the wrong field.
- Treating a result as exact when the inputs were rough estimates.
- Not allowing a safety margin for waste, error or change.
Business Days Calculator compared with doing it by hand
| Business Days Calculator | By hand or in a spreadsheet | |
|---|---|---|
| Speed | Instant, results update as you type | Slow, you rebuild the steps each time |
| Accuracy | Same standard method every time | Easy to slip on a formula or a unit |
| Privacy | Runs in your browser, nothing uploaded | Depends on the software you use |
| Cost | Free, no signup | Free or paid software needed |
Try it now
Open the Business Days Calculator and try your own numbers or text. If it helps, share it with someone who needs it.
Frequently asked questions
Are holidays excluded?
No. The tool excludes Saturdays and Sundays only. Subtract public holidays yourself.
Is the end date included?
Yes. Both the start and end dates are counted when they fall on a weekday.
What does the Business Days Calculator do?
Count the working days (Monday to Friday) between two dates.
How do I use the Business Days Calculator?
1. Enter your values in the fields. 2. The results update instantly as you type. 3. Note or copy the numbers you need.
Is my data safe when I use the Business Days Calculator?
Yes. Everything runs in your browser on your own device. Nothing you type or choose is uploaded, stored or shared, and no AI service is used.
Does the Business Days Calculator work on a phone?
Yes. It works on phones, tablets and computers in any modern browser, with nothing to install.
Do I need an account or a payment to use the Business Days Calculator?
No. It is free, has no daily limit, no watermark and needs no signup.
What information does the Business Days Calculator need?
You enter: Start date, End date. The results update instantly as you change any value.
How does the Business Days Calculator work?
The tool counts the days from Monday to Friday between the start and end date, including both ends.
Can I use this for "working days calculator"?
Yes. The Business Days Calculator is built for exactly that, and it also answers searches such as "business days calculator" and "weekdays between dates".
How accurate is the Business Days Calculator?
It uses the standard method and shows results to a sensible precision. For legal, medical, financial or safety decisions, confirm important numbers with a qualified professional.
Where can I find more free tools like the Business Days Calculator?
Kloora Tools has over 150 free tools for CVs, PDFs, images, Urdu, calculators and everyday tasks. Browse them all from the home page.
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