Woohoo!
Also, sorry if the inches is incorrect! I don't use inches for measurement, so I'm trying to figure it out !(I do know that 1 foot = 12 inches though.)

Bdubs: 5'10/70 inches
Me: 5'7 (67 inches for Americans)
(To be honest, I would tease Bdubs cause I'm almost as tall as him and he's in his 40's while I'm a minor-)

Big B: 5'9/69 inches (according to google)
Me: 5'7/67 inches
(Almost as tall as him!)

Etho: 6'2/74 inches
Me: 5'7/67inches
(He's tall.)

Gem: Around 5'4/64 inches 
Me: 5'7/67inches
(I'm taller, but hey, she's the average height for Canadian women.)

Scar: 4'8/56 inches in the wheelchair, 6'0/72 inches standing up
Me: 5'7/67inches
(Short in the wheelchair, but tall standing up)

Grian: 5'6/66 inches
Me: 5'7/67inches
(Taller lmao.)

Impulse: Around 5'8/68 inches
Me: 5'7/67inches
(Almost as tall as him!)

Martyn: 6'0/72 inches
Me: 5'7/67inches
(I feel that I'm catching up-)

Lizzie: 5'2-5'3/62-63 inches
Me: 5'7/67inches
(Aww! I'm taller though.)

Mumbo: 6'5/77 inches
Me: 5'7/67inches
(Bro's tall.)

Pearl: 5'11/71 inches
Me: 5'7/67inches
(She's very tall-)

Ren: 5'11/71 inches
Me: 5'7/67inches
(Catching up hehehe (I would never get to 5'11-) )

Skizz: 6'0/72 inches or taller
Me: 5'7/67inches
(I watch/listen to the Impulse and Skizz podcast (I'm listening to it right now-) and he's tall.)

Joel: 5'8-5'9/68-69 inches
Me: 5'7/67inches
(Watch out Joel I'm catching up-)

Scott: 6'0/72 inches
Me: 5'7/67inches
(Tall.)

Jimmy: 6'0/72 inches
Me: 5'7/67inches
(Tall again.)

Tango: Around 5'7/67 inches!
Me: 5'7/67inches
(Same height!)

Cleo: 5'7/67 inches? (I got this from Tumblr, so I'm not sure if it's accurate or not. Sorry!)
Me: 5'7/67 inches
(Woo! Same height!)