Age & Lifespan Converter

A fancy rat's average lifespan is 2–3 years. Use this to see your rat's equivalent human age, current life stage, and stage-specific care tips.

Your Rat's Age

Age in months

Or age in years

Equation: ~2.6 human years per rat month (rat lifespan 2.5 yrs ≈ human 78 yrs). Developmental stages are more important than the raw number.

Enter your rat's age and click Convert.