Sales Tax Calculator — Louisiana
Louisiana's 5% statewide rate is modest, but parish and city taxes are the heaviest in the country, producing the nation's highest average combined rate at 10.11%. Local rates and bases vary so much that two neighboring parishes can charge very different totals.
Sales tax and total price
Total with tax
$110.11
Breakdown
Subtotal$100.00
Sales tax (10.11%)$10.11
Louisiana's statewide base rate is 5% and its average combined state + local rate is 10.11% (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.