Buddhist Year (BE) to AD Converter and Age Calculator
Type a Buddhist Era (BE) or Gregorian (AD) year and get the other instantly, then work out an exact age in years, months and days.
Year converter
Age calculator
- Free, no sign-up
- Files are not uploaded
- Works on any device
How to use
- Year converter: type a BE or AD year and the other box updates
- Age calculator: choose the day and month of birth
- Type the birth year, in BE or AD
- Read the age and the days left until the next birthday
Things to know
The Buddhist Era is 543 years ahead of the Gregorian calendar. Age is counted on the Gregorian calendar and uses the date on your device as today. For a 29 February birthday, the birthday falls on 1 March in non-leap years.
FAQ
How many years apart are BE and AD?
543 years. Add 543 to an AD year to get the BE year, so AD 2025 is BE 2568.
What if I am not sure whether I typed BE or AD?
The birth year box decides for you. A number of 2400 or more is treated as BE, anything smaller as AD.
Does it work on my phone?
Yes. It runs in the browser on iPhone and Android, with no app to install.
Where do my files go? Are they stored?
Nowhere. Files are processed only in your browser, are never uploaded to a server, and are gone when you close the page.
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How to Convert Buddhist Year (BE) to AD and Calculate Age