Sales Tax Calculator — South Dakota
South Dakota charges 4.2% statewide — temporarily reduced from 4.5% — and municipal taxes bring the average combined rate to 6.11%. The state taxes a very broad base, including many services and groceries, which keeps the headline rate low.
Sales tax and total price
Total with tax
$106.11
Breakdown
Subtotal$100.00
Sales tax (6.11%)$6.11
South Dakota's statewide base rate is 4.2% and its average combined state + local rate is 6.11% (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.