Sales taxes are based on a percentage of the selling price of a product or service. Each country has its own rules and regulations regarding sales taxes and may refer to it using different names such as GST (goods and services tax) or VAT (value added tax). This sales tax calculator can be used to calculate the sales tax amount, sales tax rate, net amount or gross amount by entering any two of these value.

If you need further information on the calculation of sales taxes, this is more fully discussed in our sales taxes in accounting tutorial.

## Instructions

The Excel sales tax calculator available for download below, is in fact six calculators in one. Depending on whether the sales tax rate, net amount, sales tax amount, or gross amount are known, by choosing the appropriate calculator, and entering two of the values, the sales tax calculator will work out the remaining two unknown amounts.

To use the calculator enter the details as follows:

### Choose a Calculator

Decide which of the two values from sales tax rate, net amount, sales tax amount, or gross amount are known and choose the appropriate calculator. In each of the calculators, the term **net** refers to the amount excluding sales tax, and the term **gross** refers to the amount including sales tax. The calculators function independently of each other.

### 1. Calculate Tax and Gross Amount

Enter the tax rate percentage and the net amount. The sales tax calculator calculates the tax amount and the gross amount.

### 2. Calculate Tax and Net Amount

Enter the tax rate percentage and the gross amount. The tax calculator calculates the net amount and the tax amount.

### 3. Calculate Tax Rate and Net Amount

Enter sales tax amount and gross amount. The sales tax calculator calculates the sales tax rate percentage and the net amount.

### 4. Calculate Tax Rate and Gross Amount

Enter net amount and sales tax amount. The tax calculator calculates the sales tax rate percentage and the gross amount.

### 5. Calculate Tax and Tax Rate

Enter net amount and gross amount. The sales tax calculator calculates the sales tax rate percentage and the tax amount.

### 6. Calculate Net and Gross Amount

Enter the sales tax rate percenatge and tax amount. The sales tax calculator calculates the net amount and the gross amount.

## Sales Tax Calculator Download

The sales tax calculator spreadsheet is available for download in Excel format by following the link below.

The sales tax calculator is one of many financial calculators used in bookkeeping and accounting, discover another at the links below.

**Notes and major health warnings**

Users use this sales tax calculator at their own risk. We make no warranty or representation as to its accuracy and we are covered by the terms of our legal disclaimer, which you are deemed to have read. This is an example of a sales tax converter that you might use when considering how to determine sales tax. It is purely illustrative. This is not intended to reflect general standards or targets for any particular business, company or sector. If you do spot a mistake in this sales tax rate calculator, please let us know and we will try to fix it.