Working Days Calculator
Count working days from Monday to Friday between two dates inclusively, plus the total calendar days and the number of weekend days excluded.
What this calculator does
The Working Days Calculator estimates your result instantly from the values you enter, using standard date & time formulas. Count working days from Monday to Friday between two dates inclusively, plus the total calendar days and the number of weekend days excluded. Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate rather than a certified or official figure.
Result
About Working Days Calculator
The Working Days Calculator counts the weekdays between two dates, including both ends, and also reports the total calendar days and how many weekend days were left out. Public holidays are not deducted.
Formula & Mathematical Calculation
start = new Date(sraw + 'T00:00:00')
end = new Date(eraw + 'T00:00:00')
Derived directly from the verified calculation function in the tool engine.
Calculation Example
Inputs: Start Date 2024-07-01, End Date 2024-07-14.
Result: Working Days 10, Calendar Days 14, Weekend Days Excluded 4. The summary reads: From July 1, 2024 to July 14, 2024 (inclusive) there are 10 working days, excluding 4 weekend days.
Key Benefits
- Counts Monday-to-Friday working days inclusively across the range
- Also shows total calendar days and weekend days excluded
- Works across month and year boundaries
How to Use this Calculator
-
Pick the start date
Select your Start Date. -
Pick the end date
Select your End Date, on or after the start date. -
Calculate
Click Calculate to see Working Days, Calendar Days, and Weekend Days Excluded.
Assumptions & Limitations
What the calculation assumes
- Every value you enter is treated as an exact, known amount.
- Any rate or interval you enter is assumed to hold for the whole period unless the form asks for it separately.
- Results use standard published formulas and account only for the values entered above.
- Rounding is applied for display; the underlying calculation uses your full precision.
- Results are returned in the same units you enter, unless the tool states the output unit.
What it does not cover
- Working Days Calculator produces a calculated result for reference and learning, not a certified or official measurement.
- Real-world outcomes differ when tolerances, rounding rules or local standards apply.
- Definitions and standards vary by region and change over time; verify the convention that applies to your case.
- Figures are only as accurate as the inputs you supply — check them before acting on the result.
- For work where the result carries real consequences, confirm it against an authoritative source.
Frequently Asked Questions
Free to use, no account needed. Calculations run in your browser, so nothing you type is sent to a server. Results are estimates — how we build and check our calculators.