Sales Tax on $100 at 8%
8% sales tax on $100 is $8.00, making the total $108.00.
How to use this tool
- Enter amount and tax rate in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your sales tax and the full breakdown beneath it.
At an 8% tax rate, a $100 purchase incurs $8.00 in sales tax for a total of $108.00.