Island
King William Island
Natural Earth’s outline of King William Island measures about 12,600 km² (4,880 mi²), the 54th largest of the 81 islands on sizeversus, and about the same size as the Bahamas.
200 km
- King William Island
- Bahamas
The numbers
- 12,600km²Area, measured4,880 mi² · Natural Earth outline
- 13,100km²Area, publishedWikidata · 3.6% above our measure
The area is measured from the outline drawn above, on the WGS84 ellipsoid; the published figure is shown beside it, and a water body is kept only if the two are within 10%.
What the numbers say about King William Island
- Greenland (island), the largest of the 81 islands ranked on sizeversus, is 172× the size of King William Island; King William Island ranks 54th.
- King William Island sits between Negros (12,600 km²) and Samar Island (12,100 km²) in the ranking.
- Counted as a country, King William Island would be larger than 53 of the 212 countries listed on sizeversus and would rank 160th by area, between Montenegro (13,700 km²) and the Bahamas (12,600 km²).
- It is larger than 3 of the 51 US states and districts (the biggest of them is Delaware, 5,170 km²) and smaller than 48.
- It is larger than 2 of the 31 provinces and regions of China (the biggest of them is Tianjin, 11,500 km²) and smaller than 29.
- The closest US state is Connecticut (12,700 km²): King William Island is about the same size as Connecticut.
- On a standard web map (Web Mercator), a place at 69°N is drawn about 7.8× too large in area, so King William Island looks bigger there than it is.
- Laid out flat, King William Island stretches about 156 km north to south and 164 km east to west.
- Our measured 12,600 km² is 3.6% below Wikidata’s published figure of 13,100 km². Published areas of lakes and seas move with the water level and with what is counted, so a few percent is expected.
About the same size as
Countries
Where it lies
Natural Earth’s outlines of Canada contain or lie within 4 km of the outline of King William Island. That is what its geometry says, and it is not a statement about who owns the water or where any border runs in it.
Names
- King William Islandthe name in this page’s titlesource: Wikidata’s English label
- King William I.also calledsource: Natural Earth
Where King William Island ranks
King William Island is the 54th largest of the 81 islands on sizeversus, ranked by measured area.
Ranked islands
Share this outline
Sources and method
- Outline
- Natural Earth, 1:10m Geography Regions (geography_regions_polys), public domain (Geography Regions (geography_regions_polys)). Outlines of lakes are drawn at 1:10 million.
- Boundary
- A lake or a sea has no legal boundary of its own. The outline is a cartographic one, and the page says so by showing the measured area beside the published one.
- Area basis
- Measured outline: computed on the WGS84 ellipsoid from the full-detail outline and shown rounded. Published figure: Wikidata (CC0), fetched 2026-11-11. An outline is kept within 10% of the published figure and matched to other places automatically within 5%.
- Shore
- Countries whose Natural Earth outline contains or comes close to the water's outline; computed, not a statement of ownership.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and two can be laid over each other.
- Data built
- 2026-11-11