What can I do with Workdays Calculator?

Count business days between two dates. Workdays Calculator is part of the Time & Date shelf on utils.sbs and is designed for quick, one-off tasks.

Is Workdays Calculator free to use?

Yes. Workdays Calculator is free, requires no account, and has no per-file or per-use charge.

Are my files uploaded when I use Workdays Calculator?

No. Workdays Calculator is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

What formats does Workdays Calculator support?

It accepts numeric inputs and returns a clearly formatted calculation with an explanation where relevant.

Can I use Workdays Calculator on my phone?

Yes. Workdays Calculator is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Time & Date tool

Workdays Calculator

Count business days between two dates.

Runs on-deviceNo sign-upFree

All time & date tools

Workspace

Workdays Calculator

Runs locally

Start date

End date

Holidays (YYYY-MM-DD, comma separated)

Results update as you change the inputs. Formulas are standard reference calculations; finance and health tools are estimates, not advice.

Result

Waiting for values…

Full breakdown

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Workdays Calculator is a free browser-based time & date tool. Count business days between two dates. It runs with JavaScript arithmetic locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Workdays Calculator?

Workdays Calculator is a free browser-based time & date tool from utils.sbs. Count business days between two dates. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

Category	Time & Date
Input	Numbers and the options shown on this page
Output	A formatted result with intermediate values where relevant
Engine	JavaScript arithmetic
Processing	In your browser
Price	Free
Account	Not required

How Workdays Calculator works

The calculator applies standard formulas with JavaScript number precision and shows the result immediately. Values are not sent anywhere.

How to use Workdays Calculator

1Open Workdays Calculator and add your input.
2Adjust the options: start date, end date, holidays (yyyy-mm-dd, comma separated).
3Run the tool, check the preview or result, and download the output.

When to use Workdays Calculator

Check a calculation before making a decision.
Work through a homework or reference problem with visible steps.
Sanity-check a financial, health or geometry estimate.

Inputs and options

Start date: Set this value before running the tool.
End date: Set this value before running the tool.
Holidays (YYYY-MM-DD, comma separated): Set this value before running the tool.

Limitations

Results are reference calculations. Verify financial, medical, legal or safety-critical decisions independently.

Privacy and accuracy

Workdays Calculator processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ