>>6908331>>6908327If you do a simple conversion, the average T-rexes are 40 feet, and average humans are 6 feet. 3.75/6*40 = 25 so an 1/18th scale T-rex should be 25in long. With that TnT is more in 1/18th scale than EC.
However you need to look into proportions as well. T-rex head on average are 5 feet long, so ~3in long head is in 1/18th scale, which makes EC head more in scale proportion wise than TnT. Both EC and TnT have really short tails in proportion compared to real T-rex skeleton