^ She hasn't confirmed it, and apparently she lied about it on her original audition application, so I'm not sure I'd trust her to tell you her actual height. LingLing just confirmed on twitter that she's 157.1 cm (and I trust her the most out of everyone to tell the truth), so you might try comparing from there. One fan estimates her to be around 143.
I think 143cm would be a bit of an over zealous estimate lol unless the other members are all really small. Looking at her next to other members and males My estimate was somewhere between 147cm and 152cm. 157.1 would make her taller than Takechan and Maro but my guesses are based on the average female height of 158cm in Japan and that most members are that or slightly smaller.
You can't trust idols with any information really sometimes I wonder what they lie about including age .