Sales Tax Calculator

Sales Tax Calculator
Purchase Amount:
Sales Tax Percentage (%):
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Sales Tax Formula:

Sales Tax = Purchase Amount * Sales Tax Percentage

Sales Tax Definition

The Sales Tax Calculator will calculate the sales tax for any item if you enter in the total purchase amount and the sales tax percentage. The Sales Tax Calculator will not only calculate sales tax but also show you the total amount that you will have to pay after including the sales tax. Our free online sales tax calculator makes calculating sales tax online easy! Check out the Reverse Sales Tax Calculator as well to calculate how much your item was without sales tax included.

How to Calculate Sales Tax

Let's be honest - sometimes the best sales tax calculator is the one that is easy to use and doesn't require us to even know what the sales tax formula is in the first place! But if you want to know the exact formula for calculating sales tax then please check out the "Formula" box above.

Add a Free Sales Tax Calculator Widget to Your Site!

You can get a free online sales tax calculator for your website and you don't even have to download the sales tax calculator - you can just copy and paste! The sales tax calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to learn more!