Guernsey vs Heard and McDonald Islands

Heard and McDonald Islands is 4.72 times larger than Guernsey. Guernsey would fit into Heard and McDonald Islands about 4.7 times.

GuernseyHeard and McDonald IslandsGuernsey moved onto Heard and McDonald Islands · Equal-area projection
0.21×
Guernsey is 0.21× the area of Heard and McDonald Islands. Put the other way, Heard and McDonald Islands is 4.72× the size of Guernsey.
GuernseyHeard and McDonald Islands
Area78 km²368 km²
Population67,787
Density869 / km²
CapitalSaint Peter Port
RegionNorthern EuropeSeven seas (open ocean)
CoastlineHas a coastHas a coast
Neighbours00

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Guernsey sits at about 49°N and is stretched to 2.37× its true area; Heard and McDonald Islands at 53° S is stretched to 2.77×. Here the two are distorted about the same amount, so Mercator gets this pair roughly right. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Guernsey bigger than Heard and McDonald Islands?
No. Guernsey is 4.72 times smaller than Heard and McDonald Islands. Guernsey covers 78 km² and Heard and McDonald Islands covers 368 km².
How many times does Guernsey fit into Heard and McDonald Islands?
About 4.7 times: Heard and McDonald Islands has 4.72× the area of Guernsey.
Why do Guernsey and Heard and McDonald Islands look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Guernsey is drawn about 2.37× its true area there and Heard and McDonald Islands about 2.77×. For this pair the distortion is similar, so Mercator gets the comparison roughly right. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.