Leap Year Checker

Check if a year is a leap year using Gregorian calendar rules.

  • Free Online Tool
  • Instant Results
  • Mobile Friendly
  • No Installation
  • Secure & Private

Understanding This Calculator

Leap Year Rules

A year is a leap year if:

  • It is divisible by 4
  • BUT NOT divisible by 100, UNLESS...
  • It is also divisible by 400

Example 1

  • 2024: Divisible by 4? Yes. (Leap)
  • 1900: Divisible by 100? Yes. By 400? No. (Not Leap)
  • 2000: Divisible by 400? Yes. (Leap)

How to Use

  • Enter a year.

Frequently Asked Questions

How do I use the Leap Year Checker?

Enter your values in the input fields, and the result will appear instantly.

Is this calculator free to use?

Yes, this calculator is 100% free and does not require any registration or subscription.

Is it mobile-friendly?

Absolutely! Our tool is optimized for all devices, including mobile phones, tablets, and desktop computers.