Sales Tax Calculator
Add sales tax to a price, or find the price before tax from a total.
Change the values and press Calculate to work out your own figures.
Add tax
Enter the price and tax rate.
Show the working
- with tax = price × (1 + rate)
Price before tax
Enter the total and tax rate.
Show the working
- before tax = total ÷ (1 + rate)
How to use it
Enter the price and tax rate. Enter the total and tax rate.
Enter amounts without commas or with them; rates are percentages (5 for 5%). Negative amounts are allowed where a sign means money paid out.
Key facts
with tax = price × (1 + rate); before tax = total ÷ (1 + rate)
Rates
Five states (Alaska, Delaware, Montana, New Hampshire and Oregon) have no statewide sales tax; local taxes can add several percent elsewhere.
Questions
What is $100 with 6.5% sales tax?
$106.50.
Formulas
with tax = price × (1 + rate); before tax = total ÷ (1 + rate)
Sources
Limitations
- Results are estimates for planning, not offers or financial advice; lenders and banks may round, count days or time payments differently.
- Rates are nominal annual rates compounded as you choose; payments at a different frequency use the equivalent periodic rate.