Prime 87pixels
(6ft/26px) * 87px = 20.1ft
BumbleBee : 39 pixels
(8.12ft/ 39px) *87pixels = 18.1ft
Soundwave: 192 pixels
(6ft/81px) * 192px = 14.22ft
background human: 6ft
Apparent height of said human: 42pixels
(6ft/42px) * 167px= 23.86ft
apparent height of Rumble: 89pixels
Apparent height of Soundwave: 138 pixels
(6ft/89cm) * 138px = 9.30ft
Apparent height of said human: 53pixels
Apparent height of Megatron: 167pixels
(6ft/53px) * 167px= 18.9ft
height of Prime's lower leg: 91 pixels
Spike's real height is 6 ft
(6ft/69px)91px=7.9ft for the length of Prime�s lower leg
now let�s lok at the next picture for the total height:
Height of Optimus: 110 pixels taking the 7.9ft value for Prime�s lower leg
(7.5ft/44px)110px=18.75ft
Prime's hand: 42pixels
Prime's hand is 7 times larger than spike
6ft * 7 = 42ft