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Business Days Calculator
Count business days between two dates, or add business days to a date.
About the Business Days Calculator
This is a free, browser-based productivity tool on ToolsFlow. Count business days between two dates, or add business days to a date. There's nothing to install and nothing to sign up for — open the page, do the task, and you're done.
Frequently Asked Questions
Is the Business Days Calculator free to use?
Yes. It’s completely free, with no signup, subscription, or usage limits.
Do I need to install anything or create an account?
No. It runs entirely in your web browser — there's no software to install and no account required.
Is my data safe when I use this tool?
Yes. It runs client-side in your browser, so your files and text are processed on your own device and are never uploaded to a server.
Does it work on mobile devices?
Yes. It works on any modern browser, on phone, tablet, or desktop.
What does this tool actually do?
Count business days between two dates, or add business days to a date.