2026
Not a Leap Year
Not divisible by 4
Next 5 Leap Years after 2026
About Leap Year Checker
Instantly check whether any given year is a leap year and understand why using the Gregorian calendar rules. Also see a list of upcoming leap years for future reference. Useful for calendar calculations, date validation, and educational purposes.
How to Use Leap Year Checker
- 1
Enter a year
Type the year you want to check.
- 2
Check
Click Check to determine if the year is a leap year.
- 3
View nearby leap years
See a list of the next several leap years for future planning.
Common Use Cases
- Validating date inputs that include February 29
- Calendar and scheduling logic in software development
- Historical research involving February 29 birthdays
- Teaching calendar rules and exceptions in school
Frequently Asked Questions
What are the rules for a leap year?
How many days are in a leap year?
Related Tools
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Week Number Calculator
Find the ISO week number for any date and see the full week calendar.
Calendar Generator
Generate printable monthly and yearly calendars.
Add/Subtract Days Calculator
Add or subtract days, weeks, months, or years from any date.
Days Until Calculator
Calculate how many days until a specific date or event.
Business Days Calculator
Calculate the number of business days (excluding weekends) between dates.