Rat Behavior and Biology

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Rat age calculator

See also: New version - Русская версия

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1. Fill in the date of birth (and optionally the date of death).
Date of birth:  ,
Date of death:  ,
2. Optionally include a birth day calendar, and click on the "Calculate" button.
Also include a full birth day calendar

3. View your rat's age, and optionally his/her birth day calendar.
Real age: 
Age in human years: 
Birth day calendar: 
4. Optionally bookmark the age calculator results for your rat.
Direct link: 

For more information on the lifespan of rats compared to humans, read How old is a rat in human years? on the Rat Behavior and Biology website.

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