Gary the Capybara and Flopsy the cat by Janet Carr Posted on June 17, 2016June 1, 2016 Find more Capybara here. Adult capybaras grow to 106 to 134 cm (3.48 to 4.40 ft) in length, stand 50 to 62 cm (20 to 24 in) tall at the withers, and typically weigh 35 to 66 kg (77 to 146 lb). Wikipedia Share this:TwitterFacebookLinkedInEmailTumblrPocketPrintRedditLike this:Like Loading...