Question: How large is the Big Island of Hawaii?

Answer: Hawaii island (AKA the "Big Island") has 4,028.42 square miles of land, which is approximately the size of 13 New York Cities.

Unlike most other locations in the United States, Hawaii island is still growing by way of Kilauea volcano. As of January 2011 that volcano produced 579 square miles of land, which is nearly the size of Oahu.

It's worth noting that Hawaii island which is a part of Hawaii County also includes 1,058.69 square miles of water (most of which is off the ocean shoreline), for a total area of 5,086.70 square miles, which is nearly the size of the state of Connecticut.


  1. | Hawaii State & County QuickFacts | Retrieved October 2, 2013

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