I'm pretty sure that's just a weird coincidence, with 4 feet equalling 1219 mm and rounding, like 1 rod equalling 5 meters, rather than actually aiming for 12 x

I'm pretty sure that's just a weird coincidence, with 4 feet equalling 1219 mm and rounding, like 1 rod equalling 5 meters, rather than actually aiming for 12 x 100 for divisibility.