Financial Calculators
Sales Tax Calculator
Calculate sales tax and the total price from a pre-tax amount and rate.
Estimate tax and your total before checkout.
Enter a pre-tax amount and the applicable sales-tax rate. The calculator shows the tax amount and total in your browser. Rates vary by place and purchase, so confirm the current rate with the relevant tax authority; this estimate is not tax advice.
Frequently Asked Questions
Everything you need to know about this tool, how it works, and privacy.
What do I enter in the sales tax calculator?
Enter the price before tax and the sales-tax rate as a percentage. The calculator returns the tax amount and the final total.
Which sales-tax rate should I use?
Use the rate that applies to the location and purchase you are estimating. Rates can vary by jurisdiction, product, and date, so check the relevant tax authority for the current rate.
Do my amounts leave my browser?
No. The calculation runs locally in your browser. CodeASystem does not upload or store the amounts or rate you enter.