CALCULATOR · FREE免费 · Free
Sales Tax Calculator
Enter an amount and a tax rate to get the sales tax and the total with tax. Useful for a quick invoice or quote check.
--Sales tax · currency
--Total with tax · currency
Estimates only; verify on site before ordering or building.
Example
| Item | Value | Unit |
|---|---|---|
| Amount | 100 | currency |
| Tax rate | 7.5 | % |
| Sales tax | 7.5 | currency |
| Total with tax | 107.5 | currency |
Where people go wrong
- Using the wrong state or city rate.
- Treating a taxable service as an exempt good.
- Backing tax out of a tax-inclusive price by multiplying instead of dividing.
FAQ
How do I back tax out of a total?
Tax = total − total ÷ (1 + rate).
Are services taxable?
It depends on the state and industry; some services are exempt and some are taxable.