$
%
Sales Tax
$5
4.50%
Effective Rate
Total Price
$105
State Tax
$4
Local Tax
$1
Summary
A $100 purchase in Hawaii incurs $5 in sales tax (4.50% combined rate), for a total of $105.
Hawaii's combined 4.50% average rate (4.00% state + 0.50% avg local) ranks #46 nationally.
If you buy online from out-of-state sellers, Hawaii's use tax of 4.00% applies to untaxed purchases.
State Tax (4.00%): $4
Tax Calculation Breakdown
5 rows
| Step | Amount |
|---|---|
| Purchase Amount | $100 |
| + State Tax (4.00%) | $4 |
| + Local Tax (0.50%) | $1 |
| = Total Sales Tax | $5 |
| = Total Price | $105 |
Sales tax rates are based on 2025 data from the Tax Foundation. Local rates shown are statewide averages — actual rates vary by jurisdiction. Use the local rate field to enter your specific rate. Not tax advice.