Alright, Strength is a linear progression, as from page 222 of PHB: 10 STR lifts 200 lbs while moving, while 20 STR lifts 400 lbs while moving, etc etc. The Weight and Height of a Dwarf, from page 36, is around 4'3" to 4'9" an 160-220.
Even assuming a Sizable Dwarf, a 4'9" 220 lb being, even...