1. What is Shelf Life Calculation?

Shelf life calculation determines the duration between a start date and an end date, typically used to determine product expiration, project timelines, or duration of storage.

2. How Does the Calculator Work?

The calculator uses a simple date difference formula:

Where:

• Start Date — The beginning date of the period
• End Date — The ending date of the period

Explanation: The calculator computes the exact number of days between two dates, providing an accurate measure of duration.

3. Importance of Shelf Life Calculation

Details: Accurate shelf life calculation is crucial for inventory management, product safety, compliance with regulations, and effective project planning.

4. Using the Calculator

Tips: Select valid start and end dates using the date picker. The end date should be after the start date for a positive result.

5. Frequently Asked Questions (FAQ)

Q1: What format should dates be in?
A: The calculator uses the standard YYYY-MM-DD format, but you can use the date picker for easy selection.

Q2: Does the calculator account for leap years?
A: Yes, the date calculation automatically accounts for leap years and varying month lengths.

Q3: Can I calculate shelf life in months or years?
A: This calculator provides results in days. For months or years, you would need to convert the day count accordingly.

Q4: What if the end date is before the start date?
A: The calculator will show a negative number of days, indicating the end date precedes the start date.

Q5: Is time of day considered in the calculation?
A: No, the calculation is based on full calendar days between the selected dates.