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Day Counter (Calendar Days & Business Days)

Legal, commercial, and deadline planning tool. Computes calendar days and estimates working business days between two dates.

Input Parameters

Instant Calculation Result

Estimated Output
Active in Real-Time

Adjust values on the left to calculate live results.

Formula: Calendar Days = daysBetween(startDate, endDate). Approx Business Days = floor(Calendar Days * 5 / 7).

In-Depth Guide & Mathematical Methodology

📆 Business Days vs Calendar Days Definition

Calendar Days: Every consecutive day on the calendar (365/366 per year).

Business / Working Days: Standard Monday-to-Friday workdays excluding weekends (approx 5/7 of total days) and official holidays.

Frequently Asked Questions (FAQ)

What is the Day Counter (Calendar Days & Business Days) and how does it work?

Legal, commercial, and deadline planning tool. Computes calendar days and estimates working business days between two dates.

How do I use this Day Counter (Calendar Days & Business Days)?

Select Period Initial Date. Select Period Final Date. View Total Calendar Days, estimated Business Days (5/7 ratio), and Full Weeks.

What mathematical formula is used in this calculation?

Calendar Days = daysBetween(startDate, endDate). Approx Business Days = floor(Calendar Days * 5 / 7).

Is the Day Counter (Calendar Days & Business Days) on FindCalculator free to use?

Yes, all 330+ interactive tools on FindCalculator.online are 100% free, run directly in your browser without registration, and do not store your private calculation data.

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