Calculate sales tax by state. Add tax to a price or reverse-calculate the pre-tax amount from a total.
8.25% combined rate
| Texas State Rate | 6.25% |
| Local Rate | 2% |
| Combined Rate | 8.25% |
| Pre-Tax Amount | $100.00 |
| Tax Amount | $8.25 |
| Total with Tax | $108.25 |
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Add Tax: Total = Price × (1 + Rate%)
Remove Tax: Pre-tax = Total / (1 + Rate%)
Alaska, Delaware, Montana, New Hampshire, and Oregon have no state sales tax. Note: Alaska and Montana allow local sales taxes.
Tax Amount = Price × (Tax Rate / 100). Total = Price + Tax Amount. Reverse: Pre-tax Price = Total / (1 + Rate/100).
Combined state and local average is about 7.12%. California has the highest statewide rate at 7.25%. Local rates can push combined rates over 10%.
Most states tax goods but not services. Some states (like Hawaii, South Dakota, and New Mexico) tax most services. Check your state rules.
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.