Financial Calculators
Sales Tax Calculator
Calculate sales tax or extract it from total price.
What is the Sales Tax Calculator & How does it work?
The Sales Tax Calculator is a tool designed to help users determine the amount of sales tax on a purchase or, conversely, to calculate the original price before tax was added. This is particularly useful for consumers and businesses needing to manage their finances accurately.
$$text{Tax Amount} = text{Price} times frac{text{Tax Rate}}{100}$$
Price = Original cost of the item
Tax Rate = Percentage rate of sales tax
Tax Rate = Percentage rate of sales tax
Parameters
USD
%
USD
%
Original Price
—
Tax Amount
—
Total Price
—
Frequently Asked Questions
How do I calculate sales tax on an item?
Multiply the item’s price by the tax rate divided by 100.
Can this calculator help me find the original price before tax?
Yes, divide the total price including tax by (1 + tax rate/100) to get the original price.
What is the formula for calculating sales tax?
Tax Amount = Price × Tax Rate / 100.
How do I use this calculator if I know the total price and want to find the original price?
Enter the total price as the ‘Price’ and your tax rate. The calculator will show you the original price before tax.
Is this calculator useful for businesses?
Yes, it helps businesses manage their finances by accurately calculating sales tax on purchases or determining pre-tax costs.
Results are for informational purposes only and do not constitute professional advice.