The size 5 in Ralph Lauren is closest to the following:
Brand Label Weight (lbs) Height (inches)
American Apparel 6 years 42 - 45 lbs 40 - 43 inches
BabyBoden 2-3 years - 35.5 - 38.5 inches
Burt's Bees Baby (Target) 5T 42 lbs 42 - 44.5 inches
Carters 5T 38 - 42 lbs 41.5 - 43.5 inches
Cherokee (Target) 5T 37.5 - 42 lbs 42 - 44.5 inches
Circo (Target) 5T 37.5 - 42 lbs 42 - 44.5 inches
Gap 5T 40 - 46 lbs 42 - 45 inches
Gymboree 5T 41 - 46 lbs 42 - 45 inches
H&M 4-5 years - 43 inches
Hanna Andersson 110cm 37 - 48 lbs 42 - 46 inches
Hatley 5 - 44 inches
J.Crew/ Crewcuts 5 39.5 - 46.5 lbs 42 - 45 inches
LLBean 5-6/M - 41 - 44 inches
Lands End 5/ M 39 - 43 lbs 43 - 45 inches
Marimekko 5 yrs/ 110 cm - 43 inches
MiniBoden 5y - 43.5 inches
Old Navy 5T 40 - 46 lbs 42 - 45 inches
OshKosh 5T 38 - 42 lbs 41.5 - 43.5 inches
Petit Bateau 6Y 37 - 42 lbs 45 inches
Ralph Lauren 5 40 - 44 lbs 43 - 45.5 inches
The Children's Place 4T 32 - 35 lbs -
Tucker + Tate (Nordstrom) 5T 39 - 44 lbs 42 - 44.5 inches
Wal-Mart 5T 38.5 - 42 lbs 42 - 44.5 inches
Zutano 4T 36 - 40 lbs 39 - 42 inches
janie and jack 5 40 - 44 lbs 44 - 52 inches
tea 5/S 40 - 46 lbs 42 - 45 inches
vineyard vines 4T 36 - 40 lbs 39 - 42 inches