The 5th edition has western dragons at 37 meters long, 3 meters high at the shoulder not 20 meters long like the 1st and 2nd do that was typed. Greats are 50% bigger.
Is that 37 meters long from nose to tail? Cause that is the same measurement from the other books... they just divided it up among body/tail lengths
I can say with some authority that yes, that's nose to tail.