Contract deadlines
If a contract says a response is due within 10 business days, this tool helps you avoid counting weekends and gives you the more realistic delivery date.
💼
Business Days Calculator
Count business days between two dates or add business days to a starting date. Excludes weekends automatically and helps with project planning, payroll timing, contracts, HR workflows, and delivery estimates.
Business Days Calculator
Use this free business days calculator to count weekdays between two dates or add business days to a starting date. It is useful for project planning, shipping estimates, payroll timing, HR schedules, contract deadlines, and office workflows. The tool also links naturally into the Date Difference Calculator, Days Until Calculator, and the wider Time & Date category.
Calculate business days instantly
Switch between counting weekdays in a range or adding business days to a start date. Weekend days are excluded automatically.
Useful for
Office and schedule planning
Helpful for delivery dates, work schedules, HR planning, contracts, and service-level timelines.
Calculation mode
Quick presets
Weekdays count as business days. Saturdays and Sundays are excluded automatically.
Business days result
11 business days
15 calendar days in the selected range.
This range contains 4 weekend days outside the business-day total.
Business days
11
Calendar days
15
Weekend days
4
Direction
Forward
Calculation steps
- 1Start with Wednesday, March 25, 2026 and Wednesday, April 8, 2026.
- 2Apply the inclusion settings for the start and end dates.
- 3Count all weekdays from Monday through Friday inside the selected range.
- 4Track Saturday and Sunday separately as weekend days.
- 5Final result: 11 business days and 4 weekend days.
How this tool works
In range mode, the calculator walks through each date in the selected window and counts only Monday through Friday as business days. In add mode, it moves forward one day at a time and skips weekends until the requested number of business days has been reached. If you need broader calendar comparisons, use the Date Difference Calculator. If you want a simple future event count, the Days Until Calculator is the better fit.
What this business days calculator does
This tool helps you count working days in a date range or calculate the future date after a business-day offset. It is designed for office schedules, delivery estimates, contracts, payroll timing, HR planning, and project management workflows.
Why business-day math matters
Calendar days and business days are not the same. When weekends do not count toward an internal deadline or service-level promise, a business-days calculator gives you a more realistic timeline than a plain date difference.
Business days formula explained
Range count
Business days = Weekdays between start and end dates
Date offset
Result date = Start date + N weekdays
Business day
A weekday, usually Monday through Friday.
Weekend day
Saturday or Sunday, excluded from the business-day total.
Range mode
Counts business days between two selected dates.
Add mode
Finds the future date after moving forward by a set number of business days.
Business days calculator examples
Shipping and operations
Operations teams often estimate turnaround in business days rather than calendar days. This makes weekday-only counting useful for delivery promises and internal processing time.
HR and payroll planning
When leave approvals, onboarding steps, or payroll preparation windows are described in working days, a business-days calculator helps turn policy language into actual dates.
For general calendar-day differences, continue with the Date Difference Calculator. If you want a simple event-oriented day count from today, the Days Until Calculator is more direct. For live countdowns to a date and time, use the Countdown Timer.
Workflow fit
This calculator fits delivery planning, service agreements, internal approvals, HR timelines, finance operations, and any process where weekends should not count toward the expected turnaround.
Responsive mobile layout
The page stays inside a max-width container with responsive input sections and result cards so the calculator remains readable on phones, tablets, and desktop screens.
Time & Date category fit
Business-day counting belongs in Time & Date because it extends standard calendar math into practical scheduling, operations, and office workflow planning.
Related tools
Frequently asked questions
A business days calculator counts working days between two dates or adds a number of working days to a starting date. Business days usually mean Monday through Friday, excluding weekends.
Explore This Tool in Context
Business Days Calculator is part of the Time & Date collection. If you want a broader view of similar workflows, open the Time & Date category page or browse all QuickTools categories.
Common next steps after this tool include Date Difference Calculator, Time Zone Converter and Time Duration Calculator.
More in Time & Date
View category hub →Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Includes business days, weekend days, total hours, minutes, and seconds. Perfect for project planning, legal deadlines, event countdowns, age calculations, and contract periods.
Open tool →
Time Zone Converter
Convert any date and time across 50+ world time zones instantly. Automatically handles UTC offsets, Daylight Saving Time (DST), and fractional offsets like UTC+5:30. Perfect for scheduling international meetings, coordinating remote teams, planning travel, and tracking global market hours.
Open tool →
Time Duration Calculator
Calculate the duration between two times, add multiple time spans, or subtract durations. Handles overnight shifts with auto midnight-crossing detection, converts results to decimal hours for payroll, and supports unlimited duration entries. Perfect for tracking work hours, exercise sessions, project tasks, and billing.
Open tool →
Time Addition Calculator
Add or subtract a duration from any clock time with automatic rollover across midnight and multi-day offsets. See the final result in 24-hour and 12-hour format for schedules, reminders, travel timing, shifts, and deadline planning.
Open tool →
Popular Tools
Browse all popular tools →JSON Formatter
Format, validate, minify, or sort JSON data with configurable indentation. Instantly check for syntax errors, view node count and nesting depth — free, no sign-up required.
Open tool →
QR Code Generator
Generate QR codes for URLs, text, Wi-Fi credentials, vCards, and more. Customise foreground and background colour, error correction level, margin, and download as SVG or PNG — free and instant.
Open tool →
BMI Calculator
Calculate your Body Mass Index, healthy weight range and ideal weight using metric or imperial units.
Open tool →
Calorie Calculator
Estimate daily calorie needs based on age, gender, height, weight and activity level using Mifflin-St Jeor, Harris-Benedict or Katch-McArdle formulas.
Open tool →