Calculate sales tax instantly for any purchase. Select your US state for auto-filled tax rates, add local tax, calculate multiple items, or reverse-calculate the pre-tax price from a total. Includes all 50 states plus DC.
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Multiply the item price by the combined tax rate (state + local). For example, a $100 item with 8.25% tax would have $8.25 in tax for a total of $108.25.
Five US states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, some Alaska localities charge local sales tax.
A reverse calculation finds the pre-tax price from a total amount. If you paid $108.25 total with 8.25% tax, the pre-tax price was $100.
Yes, the Sales Tax Calculator is 100% free to use with no limitations. There is no registration required, no daily usage caps, and no hidden fees. You can use it as many times as you need.
The Sales Tax Calculator uses industry-standard formulas and algorithms to deliver reliable results. While the tool is designed for accuracy, results should be used as estimates and guidance. For critical decisions, always consult a qualified professional.
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Calculate sales tax instantly for any purchase. Select your US state for auto-filled tax rates, add local tax, calculate multiple items, or reverse-calculate the pre-tax price from a total. Includes all 50 states plus DC.
NexTool's Sales Tax Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.
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See how much you would pay for the same purchase across different combined tax rates.
| Combined Rate | Tax Amount | Total | vs. Current |
|---|---|---|---|
| 0% | $0.00 | $100.00 | $-8.25 |
| 3% | $3.00 | $103.00 | $-5.25 |
| 5% | $5.00 | $105.00 | $-3.25 |
| 6.25% | $6.25 | $106.25 | $-2.00 |
| 7% | $7.00 | $107.00 | $-1.25 |
| 8.25%Current | $8.25 | $108.25 | -- |
| 9% | $9.00 | $109.00 | +$0.75 |
| 10% | $10.00 | $110.00 | +$1.75 |
| 11% | $11.00 | $111.00 | +$2.75 |