Hawaii Trailer Registration Fee Calculator
Hawaii trailer registration is a flat $115 per year. This covers utility, boat, and small cargo trailers pulled behind passenger vehicles — travel trailers/RVs and heavy commercial trailers follow different schedules.
Your trailer
- Registration fee$115.00
Estimate only — actual fees are set by your state and county at the time of registration. Data last reviewed 2026-07-16. This state's full local formula is not yet implemented; see the notes below the calculator.
Good to know
- Hawaii trailers pay the $45 state registration plus state and county weight taxes (about 9¢/lb combined on Oahu) — a typical 800-lb boat trailer runs $110–$130/yr. Varies by county.
What determines trailer registration cost in Hawaii?
- Flat fee
- Trailer type (utility/boat vs. travel trailer vs. commercial)
Frequently asked questions
Does a small utility trailer need to be registered in Hawaii?
Yes — Hawaii requires registration and a plate for trailers operated on public roads, including small utility and boat trailers. Farm-use and some very light trailers may qualify for exemptions.
Do travel trailers cost more to register in Hawaii?
Usually yes — travel trailers (campers) are typically registered on a separate schedule based on weight or value that runs higher than basic utility trailer fees. This calculator covers standard utility and boat trailers.
More Hawaii calculators
Trailer Registration calculators for other states
Sources: https://files.hawaii.gov/tax/legal/hrs/hrs_249.pdf — data last reviewed 2026-07-16.