Leap Year Calculator
Check whether a year is a leap year and find the next one. The result updates as you type, with the working underneath so you can check it.
Your details
Result
2028
Leap year (366 days)
- Next leap year
- 2032
Good to know: divisible by 4, except centuries unless divisible by 400
About this tool
Formula
divisible by 4, except centuries unless divisible by 400
Questions people ask
Was 1900 a leap year?
No. It is divisible by 4 and 100 but not by 400. The year 2000 was a leap year.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
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