Sales Tax Calculator
Add sales tax to a price, or take it back out of a total that already includes tax.
Total with tax
108.25
- Tax
- 8.25
Show the work
Tax
tax = price × rate ÷ 100
100.00 × 8.25 ÷ 100 = 8.25
Total with tax
total = price + tax
100.00 + 8.25 = 108.25
How it works
Total = price × (1 + rate); pre-tax price = total ÷ (1 + rate)
Questions
- How does the sales tax calculator work?
- Total = price × (1 + rate); pre-tax price = total ÷ (1 + rate).
- What do I need to enter?
- Calculate, Amount, Tax rate. Optional fields can be left blank.
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Want this on your site? Embed the sales tax calculator.