To calculate Hawaii sales tax, use our calculator. It takes into account the statewide sales tax rate which is 4% for HI, while other sales tax rates (countywide or some local) can be entered by yourself according to the data below.
What is Hawaii sales tax?
Hawaii sales tax rate is currently 4%, but it can vary from 4% to 4.5% due to local tax rates up to 0.5%. In other words, Hawaii sales tax rates can vary depending on which county and city you’re in.
Check the table below to choose county and local sales tax rates you need.
How to calculate Hawaii sales tax?
HI sales tax is statewide tax rate which is made up of a basic rate plus mandatory local rate. Hawaii sales tax calculator takes into account only statewide tax rate so for more accurate result you should write down the local tax rates (depending on your county/district/city, etc.).
This table might be helpful for using HI sales tax calculator:
| County Name | Maximum Tax Rate | County-wide sales tax rate | Additional local sales taxes |
| Hawaii County | 4.5% | 0.5% | 0% |
| Honolulu County | 4.5% | 0.5% | 0% |
| Kalawao County | 4% | 0% | 0% |
| Kauai County | 4.5% | 0.5% | 0% |
| Maui County | 4% | 0% | 0% |
Please note that the calculator helps users for informational purposes only. Exact calculation results may vary by current location and may change over time as the tax rate changes.
More specific HI sales tax rate is established for a specific location. For example: sales tax in Honolulu (Honolulu County) is 4.5%, including all basic Hawaii sales tax rates.
