BBusiness Days Calculator – Exclude Weekends & US Federal Holidays

Calculate working days between two dates. Exclude weekends, US federal holidays, and add custom include/exclude dates.

This Business Days Calculator makes it easy to find the number of working days between two dates. The tool automatically excludes weekends and US federal holidays, and you can add your own custom holidays or exception dates for perfect accuracy. It’s ideal for project scheduling, payroll calculations, invoice due dates, delivery timelines, school or office planning, and any task that relies on business-day counts. Enter a start date and end date, choose optional exclusions, and get instant results showing the total number of business days. Whether you’re planning ahead or reviewing past timelines, this calculator helps you make accurate time-based decisions.

Need official holiday dates? See our complete guide to U.S. federal holidays or browse upcoming U.S. holidays.