Sales Tax Calculator — Hawaii
Hawaii uses a 4% general excise tax rather than a conventional sales tax, applied broadly to nearly all business activity including services and rent. Counties add a small surcharge, keeping the combined rate at just 4.5% — one of the lowest headline figures despite an exceptionally wide base.
Sales tax and total price
Total with tax
$104.50
Breakdown
Subtotal$100.00
Sales tax (4.5%)$4.50
Hawaii's statewide base rate is 4% and its average combined state + local rate is 4.5% (pre-filled). The rate is editable because local rates vary by exact address and some items are exempt or taxed differently. Statewide rates are from the Tax Foundation, 2026. An estimate, not tax advice.