Tuvalu is about 16 times smaller than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Tuvalu is approximately 26 sq km, making Tuvalu 6.31% the size of Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Tuvalu uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Tuvalu vs. Heard Island and McDonald Islands

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