Specimen No. 033 · Carnivore
Domestic Cat penis size & anatomy
Felis catus
Reference measurement
Approx. 21.2 mm / 0.83 in
Published average
Five adult males measured during arousal: mean erect length 21.2 ± 2.2 mm.
Measurement source: PubMed (opens in a new tab)
Did you know?
A study of five adult male cats measured a mean erect length of 21.2 mm.
Source: PubMed (opens in a new tab)
The male cat's penile urethra narrows to roughly 0.7 mm near its end.
Source: PMC (opens in a new tab)
Domestic cats have a small baculum, or penis bone.