How tall is a mountain-troll in Lord of the Rings and compared with a cave-troll?

Answer 1

In the movies the large trolls that move the great battering-ram Grond are as some Tolkien sites say taller than cave-trolls. Cave-trolls said to be from 11 to 19 feet (3,35 to 5,8 m) tall gives an average or as I call it median of interval of 15 feet (about 4,6 m (4,57 m) maybe typical average of 16 feet (about 4,88 m). Back to the mountain-trolls as sid before they are definitely taller. The height possibility ranges due to the orc's/uruk or half-orc's height that can differ from about just under 5 feet (1,50 m), or about 5 feet 4 inches (1,60 m), or about 5 feet 7 inches (1,70 m) to max of 1,90 maybe 2,00 m) making the trolls from at least about 9,00 m tall (1,50 m orc/uruk), or 9,60 m tall (compared with 1,60 m uruk), or 10,2 m (compared with 1,70 m orc/uruk), or 10,8 m tall (if uruk 1,80 m) or 11,4-12 m (if uruk 1,90-2,00 m).

If you look close in the movie they tower about six times taller than the surveying uruk most probably not orc

/Sincerely Martin