A leap year is a year with 366 days instead of 365 days. It includes February 29.

How do I know if a year is a leap year?

A year is a leap year if it is divisible by 4, except years divisible by 100 unless they are also divisible by 400.

Yes. The year 2000 is a leap year because it is divisible by 400.

Is this Leap Year Checker free?

Yes. This online Leap Year Checker is free to use and works directly in your browser.

Leap Year Checker - Check If a Year Is Leap Year Free | The MuffinPost

Free Date Tool

Leap Year Checker

Check whether any year is a leap year instantly. See February days, total days in the year, next leap year and previous leap year.

Check a Year

Enter year Type any year to check if it has February 29.

Quick Examples

Leap Year Rule

A leap year is usually divisible by 4.

Century years must also be divisible by 400.

Leap years have 366 days and February 29.

Result

Leap Year Result Enter a year The result will appear here.

-Days in Year

-February Days

-Extra Day

-Previous Leap

-Next Leap

-Rule Match

Calculation Breakdown

Divisible by 4-

Divisible by 100-

Divisible by 400-

Final rule-

February ----

How to Use the Leap Year Checker

Check any year in three simple steps.

1. Enter a year

Type the year you want to check, such as 2024, 2030 or 2100.

2. Check the result

The tool tells you if the year is leap or common instantly.

3. Review the rule

See whether the year is divisible by 4, 100 and 400.

Understand leap years without confusion.

Leap years keep the calendar aligned with Earth's orbit around the Sun. This checker explains the rule clearly and shows why a year is or is not a leap year.

✅ Check any year instantly

✅ Shows February 29 when applicable

✅ Explains the divisible by 4, 100 and 400 rule

✅ Finds previous and next leap years

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