Free Leap Year Checker

Is 2026 a leap year? (No - but 2028 is.) Enter any year to get an instant answer, the simple rule behind it, and a list of upcoming leap years. Handy for February planning, birthday math for February 29 babies, and settling calendar trivia once and for all.

Private by design. This tool runs 100% in your browser — nothing is uploaded to any server.

How to Use the Leap Year Checker

  1. Enter any year.
  2. Click Check Year to see if it is a leap year and why.
  3. Browse the list of upcoming leap years.

Features

Type any year for an immediate yes-or-no verdict with a plain-English explanation of why - including the century rule that trips people up. The tool also lists upcoming leap years so you can plan ahead, all computed instantly with no page reloads.

Benefits & Use Cases

Event planners scheduling around February 29, developers handling date edge cases in code, and parents of leap-day babies working out "real" birthdays all need a definitive answer. It is also the quickest way to win a calendar argument.

Tips

Remember the century exception: 1900 was not a leap year, but 2000 was. After 2026, the next leap years are 2028, 2032 and 2036. Pair it with Days in Month to see exactly how February lays out in a leap year.

Frequently Asked Questions

Is 2026 a leap year?

No. 2026 is not divisible by 4, so February 2026 has 28 days. The next leap year is 2028.

What makes a year a leap year?

A year is a leap year if it is divisible by 4 - except century years like 1900, which must also be divisible by 400 to qualify.

Was 2000 a leap year?

Yes. Although it is a century year, 2000 is divisible by 400, so it had a February 29. By contrast, 1900 did not.

When is the next leap year?

2028. The tool also shows the leap years after that so you can plan further ahead.

Why do leap years exist?

Earth takes about 365.2422 days to orbit the sun. Adding February 29 every four years, with the century correction, keeps the calendar aligned with the seasons.

When do February 29 babies celebrate in non-leap years?

There is no universal rule - most people pick February 28 or March 1 to celebrate.

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