Island · Hawaii, United States

How Big Is Kauai?

Kauai covers about 1,435 km² (554 sq mi), or 354,596 acres. That's about 1.3 times the size of Hong Kong.

Kauai vs

Kauai Over Where You Live

Shown at true size. Drag it anywhere, or drop it on a place you know.

Kauai
At its real location

Outline © OpenStreetMap contributors

Picture the Size

How Kauai Compares

More Islands

See all places →

Questions About the Size of Kauai

How big is Kauai?

+

Kauai covers about 1,435 km² (554 sq mi).

How many acres is Kauai?

+

About 354,596 acres.

Is Kauai bigger than Hong Kong?

+

Yes. Kauai is about 1.3 times the size of Hong Kong, which covers 1,108 km² (428 sq mi).

Which is bigger, Kauai or Oahu?

+

They're about the same size, but Oahu is slightly bigger: 1,545 km² (597 sq mi) against 1,435 km² (554 sq mi).

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.