United Kingdom is 1.13× the size of Idaho
United Kingdom (Europe) covers about 244,000 km² (94,100 mi²) and Idaho (state of the United States) about 216,000 km² (83,500 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 244,000km²United Kingdom
- 216,000km²Idaho
200 km
- United Kingdom
- Idaho
What fits
- Idaho is 89% of the size of United Kingdom.
- United Kingdom is larger by 27,500 km² (10,600 mi²), which is 13% of the area of Idaho.
- Measured in Belgiums: United Kingdom is about 7.95, Idaho about 7.05.
How they differ
- United Kingdom also has the larger population: 67.3 million against 1.8 million, 36.6× as many people.
- Per square kilometre that is 276 in United Kingdom against 8.5 in Idaho: United Kingdom is 32.5× as densely populated.
- Their centres are about 7,320 km apart.
- A standard web map misstates the comparison: United Kingdom at 54°N is drawn about 2.9× too large and Idaho at 44°N about 2.0×, so the map shows United Kingdom as 1.67× the size of Idaho instead of 1.13×.
- Together United Kingdom and Idaho cover 460,000 km², close to the size of Cameroon (464,000 km², 0.9% bigger).
- The gap between them, 27,500 km², is about the size of Solomon Islands (27,200 km²).
- At Idaho's density, United Kingdom would have 2.1 million people (it has 67.3 million). At United Kingdom's density, Idaho would have 59.7 million (it has 1.8 million).
- United Kingdom's centre is 9.7° of latitude, about 1,080 km, farther north than Idaho's.
- United Kingdom ranks 80th of 246 countries and territories by area.
- Idaho is the 14th largest of the 51 states and districts of the United States and covers 2.3% of its area; it is the 45th most densely populated of them.
- United Kingdom lies about 10° of latitude (roughly 1,080 km) north of Idaho.
- Shared out evenly, each person in United Kingdom would have about 3,620 m² and each person in Idaho about 117,590 m².
- Laid side by side, United Kingdom and Idaho would cover 460,000 km², about the same size as Cameroon.
- Together they have 69.2 million people, about as many people as France.
- Counted as a country, Idaho would rank 84th by area and 152nd by population.
Side by side
| United Kingdom | Idaho | |
|---|---|---|
| Is a | CountryEurope | StateUnited States |
| Area, measured | 244,000 km²94,100 mi² | 216,000 km²83,500 mi² |
| Official area | 242,000 km²Wikidata | 217,000 km²Wikidata |
| Rank by area | 79th of 239worldwide | 14th of 51in the United States |
| Population | 67.3 millionWikidata, 2021 | 1.8 millionWikidata, 2020 |
| Rank by population | 21st of 237worldwide | 38th of 51in the United States |
| Density | 276 per km² | 8.5 per km² |
| Capital | London | Boise |
| Latitude range | 50°N to 61°N | 42°N to 49°N |
Population: Wikidata 2021 and Wikidata 2020. Official figures: Wikidata (CC0).
- Wikidata's official figure of 242,000 km² agrees with our measured area of 244,000 km², to within 2%.
- Wikidata's official figure of 217,000 km² agrees with our measured area of 216,000 km², to within 2%.
Similar in size to United Kingdom
Similar in size to Idaho
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Sources and method
- Outlines
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain for the region; Natural Earth, 1:10m Admin 0 - Countries, public domain
- Boundary
- De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
- Data built
- 2026-11-12