Back to Calculators
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates.
Date Difference Calculator
Enter two dates to find the difference in days, weeks, months, and years.
How to Use the Date Difference Calculator
Step-by-step instructions
- Enter the start date and end date.
- Click "Calculate" to see the difference in days, weeks, months, and years.
Common Uses
Popular scenarios for date difference calculation
- Project timelines and deadlines
- Age calculation
- Event countdowns
- Loan and investment periods
- Travel planning
Frequently Asked Questions
Does this calculator account for leap years?
Yes, leap years are fully supported in all calculations.
Can I include the end date in the calculation?
This calculator excludes the end date by default. Add 1 to the result if you want to include it.
Is the calculation accurate for all years?
The calculator is accurate for all dates supported by your browser (typically 1900 and later).