Louisiana Sales Tax Calculator
Add or remove Sales Tax at Louisiana’s base rate of 5%, in USD.
Combined = state + average local rate. Approximate average; your city or county rate may differ. Source: Tax Foundation, State & Local Sales Tax Rates, 2025.
Note This is the Louisiana state base rate of 5%. Cities and counties add local sales tax on top, for an average combined rate of about 10.12% — the actual total depends on where you buy.
Louisiana Sales Tax table at 5%
| Net | Sales Tax (5%) | Gross |
|---|---|---|
| $10.00 | $0.50 | $10.50 |
| $20.00 | $1.00 | $21.00 |
| $50.00 | $2.50 | $52.50 |
| $100.00 | $5.00 | $105.00 |
| $250.00 | $12.50 | $262.50 |
| $500.00 | $25.00 | $525.00 |
| $1,000.00 | $50.00 | $1,050.00 |
How to calculate Sales Tax in Louisiana
- 01 Choose Add Sales Tax (net → gross) or Remove Sales Tax (gross → net).
- 02 Enter your amount. The 5% rate is pre-filled — change it if a reduced rate applies.
- 03 Read the net, sales tax and gross figures instantly, in USD.
Frequently asked questions
What is the Sales Tax rate in Louisiana?
The state base Sales Tax rate in Louisiana is 5%. This is the Louisiana state base rate of 5%. Cities and counties add local sales tax on top, for an average combined rate of about 10.12% — the actual total depends on where you buy.
What is the total combined sales tax in Louisiana?
Louisiana's state rate is 5%, but cities and counties add local sales tax on top. The average combined (state + local) rate is about 10.12%, based on the Tax Foundation's 2025 figures. Your exact total depends on the city or county — set the rate in the calculator above to match your location.
How do I add Sales Tax to a price?
Multiply the net amount by 1.05 (that is, add 5%). For example, $100.00 + 5% sales tax = $105.00. The calculator above does this instantly.
How do I remove Sales Tax from a total?
Divide the gross (sales tax-inclusive) amount by 1.05. Switch the calculator to "Remove Sales Tax" to see the net amount and the sales tax portion.
Is this Louisiana Sales Tax calculator free and private?
Yes. It is completely free, needs no sign-up, and runs entirely in your browser — nothing you type is uploaded anywhere.