Sales Tax Calculator
Calculate tax amount and final price from a custom tax rate quickly with clear inputs and an instant result on mobile or desktop.
Sales Tax Calculator
Tool inputs are not stored, and private values stay out of analytics.
Result
How it works
Enter the requested values in the Sales Tax Calculator, then calculate to see the result and its useful supporting details.
The calculator uses this method: multiply price by the tax rate, then add tax to the original amount. Processing happens in the browser, so you can adjust values, recalculate, and review the output before copying it.
Examples
Worked example
A 15% tax on 100 is 15, giving a final price of 115.
Compare inputs
Change one value in the Sales Tax Calculator and compare the new output to understand its effect.
FAQ
How do I use the Sales Tax Calculator?
Enter the values shown in the form, check any units, then select the calculate button.
Does the calculator save entered numbers?
No. The calculation runs in the browser and field values are not sent as analytics data.
How accurate is the result?
Check inputs and rounding first, and verify official or critical decisions with the appropriate source.