Date Difference Calculator
Calculate the number of days, weeks, or months between two dates instantly. No login required — 100% free.
Example
If the start date is January 1, 2024 and the end date is January 10, 2024, the result will be 9 days.
How It Works
This calculator computes the exact difference between two dates using a simple formula:
- Select your start date and end date
- Click "Calculate Difference"
- Get instant results in days, weeks, and months
The calculation happens entirely in your browser — your data is never sent to any server.
Frequently Asked Questions
How does this date difference calculator work?
It calculates the number of days between two selected dates using the standard calendar difference. The result also shows approximate weeks and months.
Is this tool free to use?
Yes, this tool is completely free and works directly in your browser.
Does this calculator save my data?
No, all calculations happen locally in your browser. Your data never leaves your device.
Does it account for leap years?
Yes, the calculator automatically handles leap years when computing the difference.