Two free calculators built on public data from HECO, USDA, BLS, AAA, the Honolulu Board of REALTORS, and more. Every number is sourced, so you can plan a move or a remodel in Hawaiʻi without guessing.
Choose your island, household size, and housing budget. You get a monthly breakdown (electricity, water, groceries, gas, insurance, health care, and the “Hawaiʻi premium” on shipped goods) next to what the same lifestyle costs on the mainland.
Example: a 2-person renter household on Oʻahu with one car and a $2,642 rent lands near $4,782/mo, about 99% more than the mainland equivalent.
Open the calculatorKitchen, bath, flooring, roof, lanai, ADU/ʻohana, paint, or solar. You get a Hawaiʻi-adjusted cost range, whether a Honolulu DPP permit is likely, and a checklist for hiring a licensed contractor.
Example: a mid-range 200 sq ft kitchen comes out around $79,700–$107,900 on Oʻahu.
Open the estimatorMost “cost of living in Hawaiʻi” articles repeat the same vague numbers. Here, every figure links to its source with an as-of date, and anything we had to estimate is labeled and explained. The data lives in one file that's updated as utility rates, gas prices, and market stats change.