Prorated Vacation Time Calculator



Calculating prorated vacation time is essential for managing employee leaves and ensuring accurate compensation. A prorated vacation time calculator simplifies this process, providing a quick and accurate result. In this article, we’ll guide you through the use of such a calculator and provide a functional HTML and JavaScript code for implementation.

How to Use

Using the prorated vacation time calculator is straightforward. Enter the total vacation days available and the start and end dates of the employment period. Click the “Calculate” button, and the calculator will generate the prorated vacation time based on the proportion of time worked.


The prorated vacation time formula is:


Let’s consider an example: An employee works for six months in a year with a total of 20 vacation days available. The prorated vacation time would be:


Q: Can I use this calculator for part-time employees?
A: Yes, the calculator considers the proportion of time worked, making it suitable for both full-time and part-time employees.

Q: How is the total time in the employment period calculated?
A: The example assumes a year with 365 days, but you can adjust the ‘totalTime’ variable in the JavaScript code based on your organization’s policies.


A prorated vacation time calculator is a valuable tool for human resource professionals and employers to ensure fair and accurate vacation time calculations. The provided HTML and JavaScript code simplifies the implementation of such a calculator on your website or internal systems.

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