Input parameters
- Price
- The pre-tax purchase price.
- Sales Tax
- The applicable sales-tax percentage.
Sales Tax Calculator
Calculate the sales tax added to a pre-tax purchase price and the resulting after-tax total. Change the tax percentage to compare purchases across different state or local tax rates.
There was an error with your calculation.
| Result | |
|---|---|
| Price before tax | $120.00 |
| + Sales tax (6.5%) | $7.80 |
| Price including tax | $127.80 |
Understanding the Sales Tax Calculator
Review the inputs, outputs, calculation method, and formulas used by this tool.
Understanding the results
- Sales tax amount
- Tax added to the purchase.
- After-tax price
- Purchase price including tax.
Calculation principle
Sales tax is calculated as a percentage of the pre-tax price and added to that price.
- Read and validate the entered values.
- Convert percentages and time periods into compatible units.
- Apply the formulas below and present the calculated results.
Formulas
Sales tax
Tax = Price × Tax rate / 100
Total price
Total = Price + Tax
Symbols refer to the corresponding input and result labels shown above.
How to use this calculator
Enter your figures, choose any available options, and select Calculate. You can change the inputs as often as you like to compare scenarios.
Planning note
Results are estimates for education and planning. Taxes, lender rules, fees, and investment returns can vary, so verify important decisions with a qualified professional.