Sales Tax Calculator
Add sales tax to a price and see the tax amount and final total. No signup. Ideal for shopping, budgeting and knowing the real price with tax before you buy.
Result
| Net Amount | ||
|---|---|---|
| Tax Rate | ||
| Gross Amount |
Share on Social Media:
This sales tax calculator adds sales tax to a price, showing the tax amount and the final total, directly in your browser. Enter the price and the tax rate, and see what you will actually pay. No account, no install, so you can work out prices with tax on any device in seconds.
How to Calculate Sales Tax Step by Step
- Enter the price. Type the price before tax into the price field. This is the amount to which the sales tax will be added.
- Enter the sales tax rate. Type the sales tax rate, as a percentage, that applies to your purchase, into the tax rate field.
- Calculate the tax and total. The tool works out the sales tax amount, the tax added to the price, and the total, the final amount you pay including tax.
- See the tax and final total. See both the tax amount and the total with tax, so you know how much tax is added and the real price you will pay.
- Use the result. Use the figures to know your true cost, budget accurately, or understand a price that will have tax added at purchase.
What Sales Tax Is and How It Is Added
Sales tax is a tax added to the price of goods and services at the point of purchase, common in many places, particularly where prices are often displayed before tax. This means the price on the label or listing may not be what you actually pay, since the sales tax is added on top at the till. A sales tax calculator works out the tax and the real total, revealing the true cost.
The calculation adds the tax to the price. The sales tax amount is the tax rate applied to the price, the extra you pay in tax, and the total is the price plus that tax, the final amount. So from a pre tax price and a tax rate, the calculator gives both the tax added and the total with tax, showing clearly how the displayed price becomes the amount you actually pay.
This distinction between the price before tax and the total with tax matters, especially where prices are shown pre tax. A price that looks like one amount actually costs more once sales tax is added, which can be a surprise at the till if you have not accounted for it. Knowing the total with tax in advance lets you understand the real cost and budget accurately, rather than being caught out by the added tax.
Sales tax calculations are useful whenever you want to know the real price of a purchase, when shopping where tax is added at the till, budgeting for purchases, or understanding a total that will include tax. Working out the tax and total by hand, especially for awkward rates or prices, is error prone. A sales tax calculator gives the exact tax and total instantly, helping you know what you will really pay before you buy.
Price Before Tax Versus Total With Tax
| Figure | What it is | Tells you |
|---|---|---|
| Price before tax | The pre tax amount | Often the displayed price |
| Sales tax amount | Tax rate applied to the price | The tax added |
| Total with tax | Price plus the tax | What you actually pay |
| Knowing the total | Reveals the real cost | Helps you budget |
Who Uses a Sales Tax Calculator
Pro Tips for Working With Sales Tax
Common Sales Tax Mistakes to Avoid
Related Tools You May Need Next
For general tax and percentage calculations, our VAT Calculator and GST Calculator handle those taxes, and the Percentage of a Number calculator does general percentages.
Frequently Asked Questions
How do I calculate sales tax?
Enter the price before tax and the sales tax rate that applies, and the calculator works out the sales tax amount, which is the rate applied to the price, and the total, which is the price plus that tax. It shows both the tax added and the final amount you pay. This reveals the real cost of a purchase where sales tax is added at the till, so you know what you will actually pay before buying. Just use the correct tax rate for your purchase and location, and the tax and total appear instantly.
What is sales tax?
Sales tax is a tax added to the price of goods and services at the point of purchase, common in many places, particularly where prices are often displayed before tax. This means the price on the label or listing may not be what you actually pay, since the sales tax is added on top at the till. The sales tax amount is the tax rate applied to the price, and the total is the price plus that tax. So sales tax increases the final amount you pay above the displayed pre tax price, which is why calculating the total with tax reveals the real cost.
What is the difference between the price before tax and the total with tax?
The price before tax is the pre tax amount, often the price displayed on a label or listing where prices are shown before tax. The total with tax is that price plus the sales tax added, which is the final amount you actually pay at the till. So the displayed pre tax price is not what you pay once sales tax is added; the total with tax is. This distinction matters because a price that looks like one amount actually costs more with tax, which can surprise you at purchase if you have not accounted for the added sales tax.
Why should I know the total with tax before buying?
Because where prices are displayed before tax, the label price is not what you actually pay, since sales tax is added at the till. Knowing the total with tax in advance reveals the real cost, so you are not caught out by the added tax when you come to pay, and can budget accurately. A price that looks affordable pre tax costs more once tax is added, so calculating the total beforehand lets you decide with full knowledge of the real price and ensures your budgeting reflects what you will genuinely spend, including the sales tax.
How do I know which tax rate to use?
Sales tax rates vary by place, such as by region or locality, and sometimes by the type of item being purchased. You should use the rate that actually applies to your specific purchase and location, so the calculated tax and total are correct for your situation. The applicable rate is determined by where you are buying and what you are buying. Using the correct rate is important, since an incorrect rate gives a wrong tax amount and total. If unsure of the exact rate that applies, check the rate for your location and purchase type before calculating.
Should I compare prices with or without tax?
You should compare the totals with tax, not just the pre tax prices, especially where the applicable tax may differ, since the real amount you pay is the total including tax. Comparing pre tax prices alone can mislead you about which option actually costs less, because the tax affects the final amount. By calculating and comparing the totals with tax for each option, you compare what you will genuinely pay, giving an accurate basis for choosing. So for a fair comparison of real costs where sales tax applies, compare the totals with tax rather than the displayed pre tax prices.
Does the calculator show the tax amount separately?
Yes, the sales tax calculator shows both the sales tax amount, which is the tax added to the price, and the total, which is the price plus that tax. So you can see how much tax is being added as a separate figure, as well as the final total you will pay. This is useful if you need to know the tax portion specifically, for instance for records or expense tracking, in addition to knowing the overall total. Having both figures, the tax amount and the total with tax, gives you a complete picture of the cost including sales tax.
Is the sales tax calculator free?
Yes, it is completely free with no account and no usage limit. You can calculate sales tax and totals for as many prices as you like, as often as you like, at no cost. It runs entirely in your browser on any device, so there is nothing to download or install, and the tax amount and total with tax appear instantly whenever you enter a price and a tax rate, helping you know the real cost of purchases before you buy.