Everyday math tool

Business Days Calculator

Count weekdays between two dates while excluding Saturdays and Sundays. Enter values below for an instant estimate. No sign-up, and calculations stay in your browser.

How to read this result

The estimate changes immediately when an input changes.

Based on this result, you may also want to try:Date DifferenceTime DurationAge Calculator

Result breakdown

A visual summary that updates with your calculation.

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Plan with your result

Compare two scenarios and export the current calculation.

Compare scenarios

Save the current inputs and result as Scenario A or Scenario B.

Scenario A

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Scenario B

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Export your calculation

Download the current inputs and result as a CSV file.

Quick answer

This calculator gives an instant estimate from the values entered above. Use the result as a planning starting point, then review the assumptions and limitations.

How to use the calculator

Enter the requested values using consistent units. Change one input at a time when comparing scenarios, and verify every value before using the result.

Assumptions

The estimate uses the values currently entered and the formula described on this page. Any fees, taxes, timing rules or personal circumstances not requested are excluded.

Common mistakes

  • Mixing monthly and annual values
  • Using inconsistent measurement units
  • Changing several inputs at once when comparing scenarios
  • Treating an estimate as a quote, approval, diagnosis or guarantee

Quick answer

Count weekdays between two dates, excluding weekends.

How to use the calculator

Enter the requested values using consistent units. Change one input at a time when comparing scenarios.

Formula and assumptions

The calculator applies the standard arithmetic represented by the inputs above. Results assume the entered values remain constant and exclude costs or circumstances that are not requested.

Worked example

The default values provide a complete example. Adjust any field to create a scenario that matches your question.

Limitations

Results are general educational estimates. Verify consequential financial or health decisions using current official information and qualified professional guidance.

Common mistakes

  • Mixing monthly and annual values or different units.
  • Leaving out fees, taxes, breaks or other relevant inputs.
  • Treating an estimate as a quote, diagnosis or guarantee.

Sources and method

The method and assumptions are stated on this page so the result can be checked independently. Last reviewed: July 31, 2026.

What this calculator does

Count weekdays between two dates while excluding Saturdays and Sundays.

How to interpret the result

Read the headline result together with every supporting row. Check the units, time period and whether excluded costs or circumstances could materially change the answer.

Important limitations

This calculator provides a general educational estimate, not a quote, approval, diagnosis or guarantee. Verify important decisions with current official information and qualified professional guidance.

Source and review information

The formula and assumptions are stated on this page so the result can be checked independently. Reviewed by Yasser Chahir, Fynzo editor. Last reviewed: July 31, 2026.

Frequently asked questions

Is this calculator free?

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Yes. It runs in the browser with no sign-up.

Is the result exact?

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No. The result depends on the inputs and stated assumptions.

Is my data stored?

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The calculation runs in the browser. Do not enter sensitive personal information.

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