# Business Days Calculator

> Business days calculator: count working days between two dates or add business days, skipping weekends and holidays. Free, private, runs in your browser.

- **Canonical URL:** https://boringtoolskit.com/business-days-calculator/
- **Category:** Time & Work
- **Evidence level:** authored-methodology
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

## Worked example

January 1 to January 31, 2026: 22 weekdays inclusive, and 22 business days with no holidays excluded.

## Common questions

### What is a business days calculator and how does it work?

A business days calculator is a free web tool that counts the number of business days (Monday-Friday) between two dates, excluding weekends and optionally holidays. You simply pick a start date, an end date, and any holidays, and the result is computed instantly in your browser.

### Is my data safe and private when using this business days calculator?

Yes. This business days calculator runs entirely in your browser ,  no data is sent to a server, no account is required, and no personal information is collected or stored. Your dates and inputs stay private on your device.

### Can I use this business days calculator for free without signing up?

Absolutely. The business days calculator is completely free to use with no sign-up, no registration, and no downloads required. Just open the page, enter your dates, and get your results instantly.

## Sources

- [Calculation methodology](/methodology/)
- [Quality evidence and verification standard](/quality-evidence/)

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