The map above shows Australian Capital Territory and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Australian Capital Territory vs United Kingdom Geography
Land area: Australian Capital Territory has a land area of 910 square miles (2,358 km²), while United Kingdom has 93,410 square miles (241,930 km²). United Kingdom's land area is 102.6 times larger than Australian Capital Territory's.
Total area: Australian Capital Territory: 910 square miles (2,358 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. United Kingdom's total area is 103.3 times larger than Australian Capital Territory's.
Length: Australian Capital Territory is 54 miles (87 km) long from north to south; United Kingdom is 747 miles (1,202 km). United Kingdom's north-south length is 13.8 times longer than Australian Capital Territory's.
Width: Australian Capital Territory spans 38 miles (61 km) east to west; United Kingdom spans 429 miles (690 km). United Kingdom's east-west width is 11.3 times wider than Australian Capital Territory's.
Highest point: Australian Capital Territory's highest point is Bimberi Peak at 6,273 feet (1,912 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Bimberi Peak is 1,860 feet higher than Ben Nevis.
Lowest point: Australian Capital Territory's lowest point is Molonglo River at 1,407 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 1,417 feet lower.
Australian Capital Territory vs United Kingdom Population and History
Population: Australian Capital Territory has a population of 486,231 (2025), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 142.9 times larger than Australian Capital Territory's.
Population density: Australian Capital Territory: 534.3 people per square mile vs United Kingdom: 743.9. United Kingdom's population density is 1.4 times (39%) higher than Australian Capital Territory's.
Largest metro area: Australian Capital Territory's largest metropolitan area is Greater Canberra (486,231 people) vs United Kingdom's London (10,416,420). London's population is 21.4 times larger than Greater Canberra's.
History: Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911. United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922. In its current form, United Kingdom is the older of the two by 110 years.
Australian Capital Territory vs United Kingdom Economy
GDP: Australian Capital Territory's GDP is $38.0 billion (2025) vs United Kingdom's $4,002.6 billion. United Kingdom's economic output is 105.3 times larger than Australian Capital Territory's.
GDP per capita: Australian Capital Territory: $78,152 per person vs United Kingdom: $57,602. Australian Capital Territory's GDP per capita is 1.4 times (36%) higher than United Kingdom's.
Official Websites
Australian Capital Territory official website · United Kingdom official website
More Size Comparisons
All Australian Capital Territory size comparisons · All United Kingdom size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.