How old is my guinea pig in guinea pig years?

[cucumber cuties]

hello, Pepper is going to be five years old in march and i was just wondering, how old is he in guinea pig years? Thank you.

 

[Hanwombat]

Hmm I wouldn't be sure. I'd reckon 50s to 60s

 

[gogoguineas]

guinea pig years? like dog years? :o How does it work?
(and how did i not know this!?)

 

[Little Piggles]

I reakon 10 or 15 for every people year? (ish!)

On second thoughts that could because little high...