How big can a boa constrictor get?

Learn how this distinctively patterned snake uses its wide jaws, hooked teeth, and muscular body to swallow prey as large as wild pig whole! ... Significantly smaller than anacondas, boas can grow up to 13 feet long and weigh more than 100 pounds. read more

The boa constrictor is a heavy-bodied snake, and large specimens can weigh up to 27 kg (60 lb). Females, the larger sex, more commonly weigh 10 to 15 kg (22 to 33 lb). Some specimens of this species can reach or possibly exceed 45 kg (100 lb), although this is not usual. read more

Measuring a large snake like a boa is kinda difficult unless you actually know what you are doing, and most people just estimate the size, like I said, they go over. It's not like you can command the snake to stretch out into a straight line, you have to measure it about a foot or 2 then mark it, then measure again. read more

A teenage boa is about 4-6 feet weighing about 45 pounds First off, most boas are not going to get 13 ft. An anaconda will commonly get larger than that, though. A boa constrictor female is normally 8-10 ft, occasionally getting as big as 12 ft. read more