What is the length of a food pipe?

The food pipe, also known as the oesophagus, is about 25 cm (10 inches) long.

The oesophagus is a muscular tube that connects the pharynx to the stomach and transports food and liquids from the mouth to the stomach for digestion. 

The oesophagus' length varies slightly from person to person, but it is typically around 25 cm long. The oesophagus ensures that food is transported efficiently and effectively from the mouth to the stomach for processing.