Metric signs in Hawaii Kauai On the north coast of Kauai, just east of Haena and Haena State Park near the road termination for Na Pali coast. Photo courtesy of Nat Hager III, June 2009. He says, It’s representative; there were many signs like this on Kauai. Metric signs on Kauai in Hawaii. Photos courtesy of Parker Willey Jr., April 2015. Hawaii These two are on the “Big Island” driving from Kona, on the west coast, to Hilo, on the east coast, via the Hawaii Belt Road. The first photo was probably about 20–30 km east of Waimea, and the second on the coast about 50–80 km north of Hilo. Photos courtesy of Nat Hager III, June 2009. He says, these pictures were representative; I saw them everywhere on the Big Island. Last updated: 2015-11-13