How big do sea turtles get?

Green-turtle-hatchling-Claire-Maldives-rescue-centre-ORP
Green turtle hatchling – 5 cm long

The olive and kemp’s ridley sea turtles are the smallest species, growing only to about 70 cm (just over 2 feet) in shell length and weighing up to 45 kg (100 lbs). Leatherbacks are the largest sea turtles. On average they measure 1.5 – 2m (4-6 ft) long and weigh 300 – 500 kg (660 to 1,100 lbs). The largest leatherback ever recorded was 3 m (9 ft) long and weighed 916 kg (2,019 lbs) !