📅calculaFechas

💼 Business Days Calculator

Calculate the number of business days between two dates, automatically excluding weekends. Free working days calculator — instant results, no sign-up. Free to use — no sign-up, instant results.

📅 Format: MM/DD/YYYY

06/17/2026
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About This Tool

The Business Days Calculator is an essential tool for professionals, freelancers, project managers, and anyone who needs to schedule work around the standard Monday-to-Friday work week. Unlike a simple days calculator, this tool automatically skips Saturdays and Sundays, giving you the true number of working days between any two dates — instantly and without the tedium of manually counting on a calendar.

This is invaluable for calculating payment deadlines such as net-30 and net-60 terms, project durations, notice periods for employment contracts, delivery windows in supply chain management, legal timeframes required by statute, and any professional situation where only working days count. Enter your start date and end date, click Calculate, and the tool returns the exact count of business days — plus a breakdown showing total calendar days and weekend days within the range.

The business days concept is universally recognised in professional and legal contexts across the United States, the United Kingdom, the European Union, Latin America, and most of the world. While the exact definition of a 'public holiday' varies by country and region, our calculator currently excludes Saturdays and Sundays only. This is the most globally applicable definition. If your calculation involves country-specific public holidays (like Thanksgiving in the US or Boxing Day in the UK), note those days and manually adjust the result.

Real-world use cases include: HR teams calculating the last day of a probation period; finance teams computing invoice due dates based on net-30 terms; lawyers determining statutory response deadlines; supply chain managers estimating delivery windows; teachers working out when marking deadlines fall; and project managers building Gantt charts. Whatever your professional need, this calculator handles it with precision and speed.

See also:📅 Days Between Dates Calculator➕ Add Days to Date➖ Subtract Days from Date

Examples

2 full work weeks
10 business days
January (31 days)
~22 business days
Net-30 from Jan 1
30 calendar days

Frequently Asked Questions

What counts as a business day?+
A business day is any weekday — Monday through Friday — that is not a weekend. Our calculator follows this standard definition, which is recognised in most countries and legal jurisdictions. Note that national public holidays (like Thanksgiving, Christmas, or bank holidays) are not currently excluded — the calculator removes weekends only. Always verify specific holiday exclusions for your jurisdiction.
How is this different from the days between dates calculator?+
The standard days calculator counts every calendar day, including Saturdays and Sundays. The business days calculator automatically removes all weekend days, giving you only working days. Use the business days calculator for professional, contractual, or legal calculations where weekends are excluded, and the calendar days calculator for general date differences.
Is net-30 calculated in calendar days or business days?+
Net-30, net-60, and similar payment terms are almost always calculated in calendar days, not business days — unless your contract specifically states otherwise. For example, net-30 from January 1 means payment is due by January 31, regardless of weekends. Always read your contract carefully. Use our regular days calculator for net-terms, and this calculator when your contract explicitly specifies business days.
Can I calculate business days in the past?+
Yes. Simply enter the past date as the start and today (or a later date) as the end. The calculator will return how many business days elapsed between those two dates. This is useful for verifying contractual obligations, auditing work schedules, or calculating elapsed billing periods.
Does it account for public holidays?+
Not currently. The calculator excludes weekends only (Saturday and Sunday). Adding country-specific public holidays — such as US federal holidays, UK bank holidays, or Latin American national days — is a planned enhancement. For now, if your calculation must exclude specific public holidays, note how many of those holidays fall within the range and subtract them from the result.
Why do I need this if I can count on a calendar?+
Manually counting business days across a period spanning several months — especially one that crosses year-end or includes a long weekend — is prone to error and takes significant time. A single missed weekend day can throw off a legal or financial deadline by one full day. This calculator is instant, error-free, and guaranteed accurate.
What is the difference between business days and working days?+
The terms 'business days' and 'working days' are generally used interchangeably and both refer to the standard Monday-through-Friday workweek, excluding weekends. Some jurisdictions formally define these differently (for example, including or excluding specific public holidays), but for the vast majority of everyday professional calculations, they mean exactly the same thing.
How many business days are in a month?+
It varies by month and year. Most months have between 20 and 23 business days. January typically has 21 or 22; February has 20 (or 19 in short years); March, April, May, June, August, September, October, November each have 20–23 depending on which days of the week they start on. Our calculator gives you the exact count for any specific date range.

Related Tools

📅Days Between Dates Calculator➕Add Days to Date➖Subtract Days from Date⏳Days Until Date Calculator