Is the T rex UCMP 137538 14 metres long?

UCMP 137538 is a well-known specimen of Tyrannosaurus rex housed at the University of California Museum of Paleontology. It is estimated to be about 12.3 meters (approximately 40 feet) long, which is slightly shorter than 14 meters. However, estimates of T. rex size can vary based on interpretations of fossil evidence.