Convertisseur d'unites
Sales Tax Calculator - calculateur
Ce calculateur aide a Estimate sales tax and total checkout price from a subtotal and tax rate.
Formule et notes d utilisation
tax amount = subtotal x tax rate; total = subtotal + tax amount.
Ce calculateur aide a Estimate sales tax and total checkout price from a subtotal and tax rate.
Exemples pratiques
75 at 8.25% tax totals 81.19 before optional fees.
Use the combined state and local rate when both apply.
Shipping, tips, and service fees can have different tax rules.
Questions frequentes
What inputs does this calculator need?
Subtotal, Tax rate.
How should I round the result?
Keep extra digits while comparing values, then round for the final decision or report.
Can I reuse the result in another calculation?
Yes, but preserve the original inputs and units so the next calculation stays traceable.