100 km² island
An island is a landmass entirely surrounded by water.
How big is it?
100 km² in area
Area · example

A little perspective
About 1.69 times the area of Manhattan.
Manhattan: Manhattan is an island and borough of New York City, known as a major centre for finance, culture and media.
Measurements, assumptions & sources +
100 km² island
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
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.
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Why this measurement?
Why we use 100 km²
For comparison, this page uses area. This is labelled example: an explicit comparison model rather than a claim that every example has the same value.
Defined 10 × 10 km equal-area rectangle. A teaching example, not a named place or actual boundary.
The identifying illustration and the numerical comparison remain separate. How calibrated comparisons work →
Recorded properties
100 km² island 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
Go smaller. Go bigger.
These links use compatible area records, ordered around the selected value.
Nearest lower value · PlacesManhattan59.1 km²Manhattan is an island and borough of New York City, known as a major centre for finance, culture and media.
Nearest higher value · PlacesIsle of Wight380 km²The 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





