The sales tax rate in Kailua, Hawaii is 4.5%. That is made up of the 4% Hawaii state sales tax plus about 0.5% in local city and county taxes. On a $100 purchase you pay $4.50 in sales tax, for a total of $104.50.
When you buy something in Kailua, the price at the register includes a combined sales tax of 4.5%. That figure layers local Kailua city and county taxes of about 0.5% on top of the Hawaii state base rate of 4%. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.
To work out the tax on any purchase, multiply the price by 4.5%. A few quick examples for Kailua:
| Purchase price | Sales tax (4.5%) | Total |
|---|---|---|
| $20 | $0.90 | $20.90 |
| $50 | $2.25 | $52.25 |
| $100 | $4.50 | $104.50 |
| $500 | $22.50 | $522.50 |
| $1,000 | $45.00 | $1,045.00 |
Compare Kailua with the rest of the state on the Hawaii sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.
The combined sales tax rate in Kailua, HI is 4.5%, which includes the 4% Hawaii state rate and about 0.5% in local taxes.
Multiply the price by 4.5% (i.e. by 0.0450). For example, a $50 item has $2.25 of sales tax, for a total of $52.25.
Divide the tax-inclusive total by 1.0450. The result is the pre-tax price and the remainder is the 4.5% tax.
No. Hawaii charges a 4% state rate, and Kailua adds local taxes on top for a 4.5% combined rate.