Sales Tax Calculator
Calculate sales tax instantly. Enter the price before tax and the sales tax rate to find the tax amount and total price including tax.
How to Use
Select your preferred currency.
Enter the price before tax.
Enter the sales tax rate (%).
Click Calculate Sales Tax.
View the sales tax amount and total price including tax.
Sales Tax Calculator
Enter the price before tax and sales tax rate below to calculate the tax amount and total price.
What Do These Results Mean?
Price Before Tax
The original price of the product or service before sales tax is added.
Sales Tax Amount
The amount of tax calculated using the sales tax rate you entered.
Total Price Including Tax
The final amount after the sales tax has been added to the original price.
Example Calculation
This example demonstrates how the Sales Tax Calculator works using sample figures. Enter your own price and sales tax rate to calculate the tax amount and total price.
Example
Suppose an item has a price before tax of £100 and the sales tax rate is 8.25%.
Price Details
Price Before Tax: £100
Sales Tax Rate: 8.25%
Estimated Results
Sales Tax Amount: £8.25
Total Price Including Tax: £108.25
Explanation
An 8.25% sales tax on a £100 item adds £8.25 in tax.
After the tax is added, the total price becomes £108.25.
Calculation Formula
How is the discount calculated?
The Sales Tax Calculator uses the price before tax and the sales tax rate to calculate the sales tax amount and the total price including tax.
Sales Tax Formula
Sales Tax Amount = Price Before Tax × (Sales Tax Rate ÷ 100)
Total Price Formula
Total Price Including Tax = Price Before Tax + Sales Tax Amount
What each term means
Price Before Tax
The original price of the product or service before sales tax is added.
Sales Tax Rate
The percentage of the price charged as sales tax.
Sales Tax Amount
The amount of tax added to the price.
Total Price Including Tax
The final amount after sales tax has been added to the original price.
Frequently Asked Questions
How do I calculate a discount?
What is sales tax?
Sales tax is a tax charged on the sale of certain goods and services. It is usually calculated as a percentage of the purchase price and added to the amount the customer pays.
How do I calculate sales tax?
Multiply the price before tax by the sales tax rate divided by 100. The resulting amount is the sales tax. Add this amount to the original price to calculate the total price including tax.
Are sales tax rates the same everywhere?
No. Sales tax rates can vary depending on the country, state, region, city, product, or service. Always use the sales tax rate that applies to your specific transaction and location.
Does this calculator automatically know my local sales tax rate?
No. You need to enter the applicable sales tax rate yourself. The calculator uses the rate you provide to calculate the tax amount and total price.
Disclaimer
The results provided by this Sales Tax Calculator are for informational and educational purposes only. They are estimates based on the information you enter and should not be considered tax, financial, accounting, legal, or professional advice.
Sales tax rates, rules, exemptions, and requirements can vary depending on the country, state, region, locality, product, or service. This calculator does not automatically determine which sales tax rate or tax rules apply to a particular transaction.
Always verify the applicable sales tax rate and requirements with the relevant tax authority or a qualified professional where appropriate.