The average human tongue is 4 inches long.
The longest human tongue known is 9.8 cm (3.86 inch). The guiness world record is held by Stephen Taylor. It was measured 9.8 cm in February 2009.
The average human tongue is about 10-13 cm or 4-5 in.
there are some big tounges out there but the usal ones are about one foot long lol
over 2meters