How Hawaii sales tax works
Hawaii charges a state sales tax of 4.00%, and most areas add a local rate on top.
The average combined rate is about 4.50%, but the exact figure depends on your county or city. 4% general excise tax (GET) plus county surcharges.
Sales tax is added at checkout to the price of taxable goods and some services, so the total you pay is the listed price plus the combined rate.
State vs local sales tax in Hawaii
The state portion is fixed across Hawaii; the local portion varies by jurisdiction, which is why two towns can charge different totals.
This calculator uses the average local rate. For an exact figure, check the combined rate for the specific ZIP code where the sale takes place.
What is taxed in Hawaii
Most physical goods are taxable. Many states exempt or reduce tax on groceries, prescription drugs and some services, so rules vary by category.
This is a planning estimate of average combined sales tax. Confirm the rate and what is taxable with the Hawaii Department of Taxation (tax.hawaii.gov).
Frequently asked questions
What is the sales tax rate in Hawaii?
The Hawaii state rate is 4.00%, and the average combined state-and-local rate is about 4.50%.
How do I calculate Hawaii sales tax?
Multiply the purchase amount by the combined rate. This calculator does it for you and shows the state and local portions separately.
Why is my local rate different?
Counties and cities set their own local sales tax, so the total varies by location. This tool uses the state average; your exact ZIP code may differ.
Are groceries taxed in Hawaii?
Many states exempt or reduce tax on groceries and prescriptions. Check the Hawaii Department of Taxation (tax.hawaii.gov) for the categories that apply where you shop.