100 km² island
An island is a landmass entirely surrounded by water.
How big is it?
100 km² · area
Area · example
A little perspective
100 km² island vs Manhattan: area comparison
A 100 km² island has about 1.69 times the area of Manhattan.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Manhattan is an island and borough of New York City, known as a major centre for finance, culture and media.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Measurements, assumptions & sources +
100 km² island
Area: 100 km²; example.
Defined 10 × 10 km equal-area rectangle. A teaching example, not a named place or actual boundary.
Defined examples — our methodology
The marked area is calibrated. Unmeasured illustration details are representative.
Manhattan
Area: 59.1 km²; rounded geography model.
A rounded land-area anchor of 59.1 km²; borough water area is excluded.
Defined examples — our methodology
The marked area is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 100 km²
We compare the area of a 100 km² island. This is an illustrative comparison value, not a claim that every example is the same.
Defined 10 × 10 km equal-area rectangle. A teaching example, not a named place or actual boundary.
The picture identifies the subject; the diagram compares the recorded values. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 100 km² | Not recorded | example | |
| 10 km | Not recorded | example | |
| 10 km | Not recorded | example |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valuePlaces and natural featuresManhattan59.1 km²AreaManhattan is an island and borough of New York City, known as a major centre for finance, culture and media.
Nearest higher valuePlaces and natural featuresIsle of Wight380 km²AreaThe Isle of Wight is an island off the southern coast of England, separated from the mainland by the Solent.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
There’s always another scale
Follow your curiosity.
PlacesManhattan59.1 km²Manhattan is an island and borough of New York City, known as a major centre for finance, culture and media.PlacesIsle of Wight380 km²The Isle of Wight is an island off the southern coast of England, separated from the mainland by the Solent.
Places25 km² woodland25 km²A woodland is a tract of land dominated by trees and shrubs, supporting a variety of plant and animal life.
PlacesSingapore735 km²Singapore is a sovereign city-state and island nation at the southern tip of the Malay Peninsula.
PlacesGreater London1,572 km²Greater London is the administrative region encompassing the capital city of the United Kingdom and its surrounding districts.
Places4 km² district4 km²A district is an administrative or informally defined part of a town, city or wider region.
PlacesCentral Park3.41 km²Central Park is a large public park in the centre of Manhattan, New York City.
Places100 hectare farm1 km²A farm is land used for growing crops or raising animals for food production.