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Add Weekdays Calculator

Add Monday-to-Friday days after a starting date. Holidays are not excluded, so this is not a jurisdiction-specific deadline calculator.

Enter your values

Use a decimal point, without thousands separators.

Example result
Date (YYYY-MM-DD)
2026-10-22

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Add Monday-to-Friday days after a starting date. Holidays are not excluded, so this is not a jurisdiction-specific deadline calculator.

advance while counting Monday–Friday only

Worked example

Show example inputs and result

Starting date: October 8, 2026 · Weekdays to add: 10.

Date (YYYY-MM-DD)
2026-10-22

Questions and answers

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Method reviewed: October 8, 2026 · Methods & accuracy

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