Giant

2AM – 181.1 (5 feet and 11.29 inches)

TVXQ - 181.2 (5 feet and 11.33 inches)

SS501 - 181.2 (5 feet and 11.33 inches)

CO-ED School (SPEED) – 182.6 (5 feet and 11.88 inches)

CNBLUE - 183.0 (6 feet and 0.04 inches)

Supernova – 183.0 (6 feet and 0.04 inches)

FOCUS - 183.0 (6 feet and 0.04 inches)

X5 - 186.2 (6 feet and 1.30 inches)

 

Tall

CHAOS - 179.0 (5 feet and 10.47 inches)

TOUCH – 179.0 (5 feet and 10.47 inches)

BoM - 179.0 (5 feet and 10.47 inches)

M.I.B – 179.2 (5 feet and 10.55 inches)

B1A4 – 179.4 (5 feet and 10.62 inches)

HITT – 180.1 (5 feet and 10.90 inches)

U-KISS - 180.5 (5 feet and 11.06 inches)

AA - 180.6 (5 feet and 11.10 inches)

2PM – 180.8 (5 feet and 11.18 inches)

 

Average

Twi-light – 178.0 (5 feet and 10.07 inches)

Super Junior - 178.0 (5 feet and 10.07 inches)

ZE:A - 178.2 (5 feet and 10.15 inches)

MBLAQ – 178.4 (5 feet and 10.23 inches)

MYNAME - 178.4 (5 feet and 10.23 inches)

SHINee - 178.8 (5 feet and 10.30 inches)

B.A.P – 178.8 (5 feet and 10.30 inches)

 

Short

Big Bang – 177.2 (5 feet and 9.76 inches)

Boyfriend – 177.3 (5 feet and 9.80 inches)

Block B – 177.4 (5 feet and 9.84 inches)

INFINITE – 177.8 (5 feet and 10.00 inches)

 

Shortest

TEEN TOP – 175.1 (5 feet and 8.93 inches)

B2ST – 175.6 (5 feet and 9.13 inches)

The BOSS – 176.4 (5 feet and 9.44 inches)

FT Island – 176.6 (5 feet and 9.52 inches)

Dalmatian – 176.6 (5 feet and 9.52 inches)

N-Train : 176.6 (5 feet and 9.52 inches)

 

[Source : http://www.allkpop.com/2012/03/netizen-posts-the-average-heights-of-k-pop-boy-groups]