how tall would toulouse lautrec have been if his legs grew properly

Henri de Toulouse-Lautrec was about 4 ft 8 in to 5 ft tall as an adult, depending on the source, so if his legs had grown normally he would likely have been several inches taller , but not radically transformed into a tall man.

Best estimate

A reasonable guess is that he might have ended up somewhere around 5 ft 3 in to 5 ft 6 in if only his leg growth had been normal, because his torso and arms were described as roughly average-sized.

Why it’s only an estimate

His short stature was linked to a bone disorder, not just the injuries to his legs, so “normal leg growth” would not necessarily have made him proportionate in a simple way. The exact adult height is impossible to know from the historical record alone, so any number beyond “a bit taller than 5 feet” is speculative.

In plain terms

He was already around 1.5 m tall as an adult, so normal leg growth probably would have added enough height to make him look much less unusually short, but not enough to make him average-tall by modern standards.

A concise one-line answer: probably around 5 ft 3 in to 5 ft 6 in, give or take a few inches.