How Big Is London?

London Size Overview

London covers an area of 1,572 km² (607 mi²) in UK, Europe. Capital of England and the United Kingdom. The city is often called "The Big Smoke". To put this in perspective, London is about 1.4x smaller than Tokyo (city proper).

With a population of 9.0 million (14.3 million in the metropolitan area), London has a population density of 5,712 people per km². The greater London metropolitan area extends to 8,382 km².

London has a history stretching back to 43. The city is renowned for Big Ben, Tower of London, Buckingham Palace, and The British Museum.

London has a oceanic climate, with summer temperatures averaging 19°C and winters around 5°C. The city's main public transit system is the London Underground.