Breed Overview

Adult female Mastiffs typically weigh 120 to 170 pounds, though healthy builds vary by height and bone structure.

Adult male Mastiffs commonly weigh 160 to 230 pounds, though height, build, and health determine the right weight.

Mastiff and Newfoundland adult weight ranges, sex differences, and body comparisons explained for each breed using scale numbers.

Great Dane height and Mastiff height comparison explains breed standards, leg length, and measuring from floor to withers.

Mastiff and Great Dane adult weight ranges, sex differences, and why taller dogs often weigh less than wider ones.

Adult male Mastiffs often weigh 160 to 230 pounds, while male Saint Bernards typically range from 140 to 180 pounds.

Giant Mastiffs compared with Zorba, including Hercules at 282 pounds, and why reported weight claims are difficult to verify.

Zorba the English Mastiff set a historical Guinness record weighing 343 pounds, explaining the difference between past and living titles.

Zorba the Mastiff measured 8 feet 3 inches from nose to tail, weighed about 343 pounds, and stood 37 inches tall.

English Mastiff Zorba weighed 343 pounds in 1987, reaching an overall length of 8 feet 3 inches from nose to tail.