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Free Sales Tax Calculator

Add or remove state sales tax and see tax and total.

Add or remove sales tax and see the tax amount and the final total. Enter the combined state and local rate that applies at the point of sale.

How to use the Sales Tax Calculator

  1. Select your country at the top of the page so the currency, tax names and rates match where you do business.
  2. Enter your numbers. Every result updates instantly and each line of the working is shown so you can check it.
  3. Use the PDF or print button to keep a record, and change one input at a time to compare scenarios.

What is the Sales Tax Calculator?

Sales tax rules depend on where you are. In the United States choose your state and add any local rate, in Canada choose your province or territory, and in the UK or Australia choose the VAT or GST rate.

Signplify tools run in your browser, so there is no signup, no watermark and no limit on how often you use it.

Getting started with the Sales Tax Calculator

Using the sales tax calculator takes a minute or two. Your progress is saved in this browser, so you can come back later.

Tips for better results

US state rates are base rates. Counties and cities often add their own, so enter the local rate for an exact figure.

Check whether your item is taxable. Groceries, clothing and services are treated differently in many places.

Privacy and where your data goes

Documents and files you use here are processed on your own device. Signplify does not receive what you type or the files you open, which makes it suitable for sensitive information. If you clear your browser data, any saved draft is removed.

Frequently asked questions

What do I enter in the sales tax calculator?

You enter Amount, State, Local / County / City Rate (%) and Mode. The result updates as you type, so you can change one number and see the effect straight away.

What result does the sales tax calculator give for example numbers?

With the starting example (Amount $100, State California (7.25%), Local / County / City Rate (%) 0 and Mode Add tax), it shows Total of $107.25, along with Pre-tax price $100.00 and Sales tax (7.25%) $7.25. These are the US defaults; change the inputs to match your own situation.

Which country and currency does the sales tax calculator use?

It follows the country selected at the top of the page (United States, United Kingdom, Canada or Australia) for tax rates and wording, where they apply. The Currency box above the form lets you show amounts in another currency for this calculator only.

How accurate is the sales tax calculator?

It is an estimate based on the numbers you enter and the rates or formulas built into the tool. It is meant for planning and comparing options, so check important figures against official sources or a qualified professional before you rely on them.

Can I save or share the result from the sales tax calculator?

Yes. Copy result puts the figures on your clipboard as text, and you can also download the result as a PDF or PNG, or print it. Your inputs are remembered in this browser for next time.

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