how old is kauai hawaii island?
<answer> Kauai is 4,000,000 years old. <context> Molokai is 1,300,000 years old Oahu is 3,000,000 years old Kauai is 4,000,000 years old. The name of the state is the same as the name of the largest island, Hawaii. For that reason, the largest island is often called “The Big Island” to distinguish it from the name of the state.