A colloquial unit of measurement used primarily in British media and casual conversation to describe the size, height, or weight of large objects. It references the iconic red double-decker bus, representing a length of about 8.4 metres, a height of 4.4 metres, or a weight of roughly 12 tonnes. It provides a relatable visual scale for the general public.
Heard on the job
The sinkhole on the high street is massive, easily the size of a London bus.